Seat Bags

- Includes everything for a quick fix while on or off-road - Giant seat bag - 12 glueless patches - 2 tire levers - Mini pump - 9 function multi-tool

Carry just the necessities in Topeak's Large Aero Wedge Pack. It's constructed of heavy-duty 1000-denier, Teflon-coated nylon and includes a handy quick-release mount that securely attaches the pack to your seat. And for nighttime safety, it features a 3M reflective strip and a taillight clip.

Aerodynamic seat bag holds tubes, tools and other repair items. Mounts with our innovative Quick Release Buckle system to fit all railed saddles. Specs: - BAG ATTACHMENT: Nylon straps / Buckle - MATERIAL: 1200 denier polyester - SEATPOST DIAMETER: Fits 27.2 - 34.9 mm - SIZE: 16 x 8 x 7.5 cm / 6.3" x 3.1" x 2.9" - CAPACITY: 0.41 L / 25 ci - WEIGHT: 85 g / 2.99 oz - ADDED FEATURES: 3M reflective strip, Safety light clip

Oceanweave 600D reclaimed fishnet polyester with waterproof polyurethane coating. - Heavy-duty seat rail buckle and straps pull up to tighten. - 3 rubberized modular seatpost straps with Camlock ensure things stay tight while eliminating potential damage to clothing. - Top mount bungee system with wings provides optimum stability to top loads etc. - Top bungee system for additional flexible storage. - Supplemental rear closure strap system provides additional support. - Ultra-visible rear 3M triangle logo. - Polypropylene plates below saddle ensure ample leg clearance even if heavily loaded. - Built-in U-lock holder and rear light clip.

Every bike needs a seat bag. They're perfect for on-the-road repair essentials, your phone and credit cards, and a snack. Giant's Seat Bag DX features a stream-lined aero shape, water-resistant ProTextura fabric, reliable Velcro straps, and a built-in key holder. With its visibility-enhancing reflective accents and taillight hanger, you're sure to be seen in low-light conditions. The Medium, Large, and Extra large models have external side pockets for extra storage. The Large and Extra large models have an expandable zippered bottom panel.

MSW's simple strap-mounted Brand New Bags come in three sizes so you can carry along your keys, phone, wallet or emergency repair kit--or whatever else you need to make your bike ride great. - Combination 600D polyester and 420D nylon outer with 210D Nylon lining - Simple strap and clip attachment - 3M reflective strip - Loop for clip-on lights - Small: 6.3 x 2.8 x 4.1" - Medium: 7.7 x 3.3 x 4.7" - Large: 7.5 x 3.9 x 5.3"

Keep your gear safe and dry in Giant's Waterproof Seat Bag. Welded seams and TPU-laminated fabric make this bag impermeable to even the wettest weather. It features an easy to use quick release buckle system and roll-top closure, as well as a convenient taillight hanger.

A lightweight under-the-seat bag for carrying ride essentials. Every Seymour bag is created using Oceanweave – Axiom’s new lightweight and durable fabric made from reclaimed fishnet – to help reduce the amount of harmful plastics in our oceans. - Volume 0.8 L / 51 cu in - Weight 72g / 0.16 lbs - OCEANWEAVE 600D recycled fishnet polyester with waterproof polyurethane coating; Red interior liner improves internal visibility - Lightweight Velcro saddle-mounting system can be cinched down to ensure a quiet load - Zippered flap opening for easy access to bag contents while bag is on bike - Interior ID pocket - Ultra-visible 3M triangle logo - LED light clip

Planet Bike's Big Buddy is the perfect friend to bring along on every ride. It's made of tough material and has a padded, white interior to protect, and make it easy to see your things. Its 80 cubic inches of capacity handle all your essentials. It's also got a diagonal zipper for easy access, a taillight strap (lights sold separately) and reflective piping for safety.

Topeak's Wedge Pack II features a unique, positive locking mount that makes attaching and removing the pack a snap. The Wedge is great for carrying tubes, a C02 pump, wallet, keys and whatever else you need. For low-light conditions, a 3M reflective stripe adds safety and its 1000-denier, Teflon-coated construction makes the Wedge Pack durable and tough.

Topeak's Tri DryBag keeps your gear dry no matter the weather. Composed of water-resistant fabric, this top tube pack sports a flap that folds over the opening and prevents water penetration. It attaches via hook-and-loop straps and you'll have plenty of room for carrying your phone, wallet, tools and energy bars in this streamlined bag.

- Adventure ready saddle mounted removable drybag and holster system - Includes waterproof carry bag with air release valve to keep gear dry and compact - Bag easily slides in and out of holster without having to remove from bicycle - 15L measures 19.7

Don't overstuff your jersey pockets. Simplify your load by putting your essentials in Topeak's Aero Wedge Pack. It straps neatly beneath your seat and is constructed of durable 1200-denier, Teflon-coated polyester with reflective strips and a taillight mount for nighttime safety.

The perfect balance between lightweight and capacity. Large enough to accommodate a spare inner tube, tire levers, multi-tool, a wallet, and keys, but compact enough for adventure. - Water resistant 1000d material with YKK zipper - Interior division for all your essentials - Reflective logo, webbing to clip light - Angled straps achieve a low profile fit - No-snag Velcro and amara leather limit abrasion

- Water resistant 1000D material with YKK zipper - Interior division for all your essentials - Reflective logo, webbing to clip light - Angled straps achieve a low profile fit - No-snag Velcro and Amara leather limit abrasion - Length: 9 in, Width: 5.1 in, Depth: 3.7 in - Volume: 68.5 cu in

- Bungee draw cord on top - Reflective piping - Tail light attachment - 53 x 19 x 18cm

Specifically designed for bikepacking, the H2Pro Saddle Bag offers enough space to conveniently bring all the essentials for your adventure without a rear rack. Constructed from lightweight and waterproof 210D Nylon with a PTU coating, the H2Pro Saddle Bag features roll closures and an air bleed valve to make packing and repacking easy and convenient. With two light attachments and reflective strips to increase visibility while riding, the H2Pro Saddle Bag is the perfect choice for exploring on or off road. FEATURES - Air bleed valve to assist with compression and packing - Roll closures provide flexible capacity - Removable dry bag - Included bungee cord helps provide extra storage - Two light attachments and a reflective design for added safety SPECIFICATIONS - Material: Light 210D Nylon with PTU coating - Colors: Black - Size: 35 x 15 x 20cm (M), 44 x 20 x 20cm (L) - Volume: 10L (M), 17L (L)

- Protextura Water Resistant Nylon And Waterproof Zipper Provide Extra Protection To Keep Gear Dry - Industrial-Strength Hook-And-Loop Straps Offer Superior Holding Power To Securely Attach To Seatposts - Reflective Strip And Taillight Hanger Provides Optimal Visibility And Safety - Internal Mesh Pocket For Organization Of Small Essentials

- M.O.L.L.E inspired anchor and strap system - Large tapered opening - Duraflex - Air removal valve - Tough 600D TPU/PU coated main fabric - Gear straps included - 6061 Aluminum construction adjustable rack included - CNC'd Seatpost clamp with multiple seat post size fittings

The Seat Bag M is a lightweight storage option for road bike or MTB tube and repair kit. - Lightweight - Mesh pocket - Better visibility thanks to the reflective logo print - Fixation buckle - Seatpost strap for added stability - Easy & safe loop fixation

Topeak's Wedge Pack II features a unique, positive locking mount that makes attaching and removing the pack a snap. A rain cover is included, if you get caught in a storm; just cover the pack and your belongings will stay dry. It's expandable, so you'll have plenty of room for carrying tubes, a C02 pump, wallet, keys and whatever else you need. For low-light conditions, a 3M reflective stripe adds safety and its 1000-denier, Teflon-coated construction makes the Wedge Pack durable and tough.

- Everything you need for a quick fix on the road - 3 tire levers - Patch Kit - 9-function multi-tool - CO2 inflator with 2 16g CO2 cartridges - Seat bag

Seat Roll Asymmetrico takes everything we've learned in 5 years of producing the award-winning Seat Roll Premio and kicks it up a notch with lighter materials, reduced bulk, improved abrasion resistance, an extra pocket, and a unique asymmetric design which allows you to pack more into a smaller volume, oh, and room for up to 700x45 (29x1.75") tubes! - 2-Ply Ballistic Nylon Construction with Hypalon outer jacket - Boa L6 Closure System with Lace Guide - Padded Rail Guard protects saddle rails and speeds Installation - FOUR internal pockets: Holds tubes up to 700x45mm - Black reflective printing provide stealthy HI-VIS in low-light conditions - Weight: 85 grams

Minimalism to the max is a good description of the ultra-lightweight seat pack for road bikes and mountain bikes. The Micro Two was specially designed for those demanding tours when every gram counts. In addition to being 100% waterproof, the pack offers you space enough for a few critical items such as a replacement tube, a bike kit, or first aid materials. Its roll closure and elastic drawstrings allow you to collapse its size down to a minimum. And thanks to its extremely small dimensions, it can be mounted to your bike in an extremely space-saving manner. Simply attach the mounting bracket to your seat stays. Then attach or detach the pack with a single hand using the snap buckle. While the snap-on system was again enhanced for user-friendliness, the Micro Two remains compatible with all previous models. Further Features: - PVC-free, polyurethane-coated nylon fabric - No protruding plastic parts on the inside - Includes the mounting bracket - Simple attachment - Reflector

- New waterproof construction - Adjustable capacity due to roll-top closure - Dropper post compatible - Soft TPE seat post protection - Flexible main compartment closure that adjusts to bag size - Boa® Fit System for easy and secure fixation

Banjo Brothers' Small Seat Bag is perfect for carrying a tube, tire levers, patch kit, a mini tool and some food (each sold separately). It's made from heavy-duty 840-denier nylon with a wide-mouth opening for easy access. And you've got 360 degrees of visibility with reflective accents and a rear tab for a blinkie.

The City Saddle bag is designed for any folding bicycle. Constructed from waterproof fabrics, it comes in two sizes to accommodate a range of gear like clothing, off-the-bike footwear, or tools. Both sizes are tape-sealed and completely waterproof. The bag also features an extendable bottom stabilising strap which fits easily around the suspension block on all Brompton bicycles. Handmade in our Yorkshire workshop, all bags are finished with the classic Restrap label, made from vegan-friendly PU. Weight - 110g Capacity - 1.2L - Bags designed specifically for use on folding bicycles - 100% handmade in Yorkshire England from vegan-friendly PU - Third-party online sales are strictly prohibited by the manufacturer All Restrap products carry a lifetime guarantee to be free of defects in materials and workmanship. We stand by our products and will cover the cost to repair or replace any defective product.

The BiKASE Momentum family of saddle bags is the perfect complement to any ride. With a narrow and contoured design, the Momentum fits snugly between the seat post and saddle without interfering with the rider, and, with a double strap design, it couldn't be easier to install. Round that out with a taillight mount and reflective striping. - Reflective stripes - Internal mesh pocket - Internal elastic band - Strap light holder - Small: 25 cubic inches - Medium: 50 cubic inches - Large: 75 cubic inches - X-Large: 110 cubic inches (Black only)

The Seat Bag S is a lightweight storage option for road bike tube and repair kit. - Lightweight, minimalist seat bag - Mesh pocket - Hypalon reinforcement prevents tears from the seatpost's hardware and also protects the seatpost's finish - Better visibility thanks to the reflective logo print - Fixation buckle - Easy & safe loop fixation

Banjo Brothers' Small Seat Bag is perfect for carrying a tube, tire levers, patch kit, a mini tool and some food (each sold separately). It's made from super-tough 1680-denier nylon with a full liner plus a padded top and bottom. It's got a wide-mouth opening for easy access, three interior pockets and a key clip to keep your gear organized, plus gusseted sides that keep your gear in place when the bag is open. And you've got 360 degrees of visibility with reflective accents and a tab so you can attach a taillight.

No rack, no problem. Banjo Brothers' Waterproof Saddle Trunk has a whopping 400 cubic inches of space with a waterproof main compartment and outer pockets for easy access to smaller items. A webbing loop on top lets you lash a jacket to the bag so you can reach it before the rain comes. An interior aluminum strut, stiff hull and 4-point strapping system control the load from bouncing, rattling or swaying. The best part is when you're done with your ride, you can remove it quickly and it works on pretty much any bike. - Weight: 1.25lbs - Dimensions: 12.5" L x 7" H x 6.5" W - Capacity: 400 cubic inches / 6.6 liters - Waterproof main compartment with replaceable welded liner - Outer pockets for easy access to money or keys - Webbing loop on top for attaching a rain jacket or other gear - Interior aluminum strut, stiff HDPE hull and 4-point strapping controls loads

Banjo Brothers' Medium Seat Bag is perfect for carrying a tube, tire levers, patch kit, a mini tool, your wallet and some food (each sold separately). And if you're going big, it expands to haul more gear. It's made from super-tough 1680-denier nylon with a full liner and a padded top and bottom. It's got a wide-mouth opening for easy access, three interior pockets and a key clip to keep your gear organized, plus gusseted sides that keep your gear in place when the bag is open. And you've got 360 degrees of visibility with reflective accents and a tab so you can attach a taillight.

- Protextura Water-Resistant Nylon And Zipper Keeps Contents Safe And Dry - Reflective Strip And Taillight Hanger Provides Optimal Visibility And Safety - Anti-Slip Hook-And-Loop Straps Securely Attach To The Seatpost

A high-volume under-the-seat bag and water bottle pocket designed specifically for the gran fondo cyclist. Every Seymour bag is created using Oceanweave – Axiom’s new lightweight and durable fabric made from reclaimed fishnet – to help reduce the amount of harmful plastics in our oceans. CONSTRUCTION - OCEANWEAVE 600D recycled fishnet polyester with waterproof polyurethane coating - Red interior liner improves internal visibility MOUNTING SYSTEM - Lightweight Velcro saddle-mounting system ADDED BENEFIT - Zippered flap opening for easy access to bag contents while bag is on bike - Interior credit card / ID pocket - Integrated waterbottle holder - Ultra-visible 3M triangle logo - LED light clip - Volume 1.3 L / 79 cu in - Weight 126g / 0.28 lbs

Seat Pack WP

EVOC's Seat Pack Boa makes for useful extra storage on your bike; and it doesn't affect your riding, even when it gets rugged! This is an on-bike storage option that offers all the familiar top quality and functionality that EVOC is known for. - Adjustable capacity due to roll-top closure - Dropper post compatible - Soft TPE seatpost protection - Flexible main compartment closure that adjusts to bag size - Boa Fit System for easy and secure fixation - 100% waterproof - Enough space for extra jersey, tools and spare tube

Plenty of room and durability to support you on epic rides. If being prepared is important the super cache can carry enough to accompany you on epic rides. - Water resistant 1000D material with YKK zipper - Interior division for all your essentials - Reflective logo, webbing to clip light - Angled straps achieve a low profile fit - No-snag Velcro and Amara leather limit abrasion

Get ready for your next bikepacking adventure! As a key item in your bikepacking setup, the ORTLIEB Seat-Pack comes with Velcro straps to enable convenient and secure mounting to your seat stem. Projecting backwards from the seat stem, your Seat-Pack also serves as a rear fender. The spacious, waterproof Seat-Pack keeps its contents (e.g. an extra set of clothes) safe and dry. Depending on how long you plan to be away and your Seat-Pack model, you can conveniently adjust the volume of your pack from 7 to 11 liters by adjusting the roll closures on the sides. An additional valve allows you to quickly and easily compress your soft gear for a more compact fit. Your Seat-Pack also serves as a replacement backpack when you're out on a day trip, no matter whether you ride a hybrid bike, a mountain bike, a road bike, or an electric mountain bike. The Seat-Pack is available in two sizes. This model needs only six centimeters of space on your seat stem. That's why the more compact model is ideal for smaller frame sizes, full-suspension bikes, and adjustable seat stems. FURTHER FEATURES: - Reinforced fabric at all points of contact to the seat - Vertical daisy chain for rear light - Also suitable for carbon seat stems - Lightweight design - Four 3M Scotchlite reflectors available for full extension

Topeak's SideKick Wedge Pack features a unique, positive locking 2-piece mount that makes attaching and removing the pack a snap. Its unique side-opening design makes accessing your gear quick and easy and you'll have plenty of room for carrying tubes, a C02 pump, wallet, keys and whatever else you need. For low-light conditions, a 3M reflective strip adds safety and its semi-rigid construction makes the Wedge Pack durable and tough.

Lezyne takes seatpack storage to the next level with their M-Caddy QR. Inside, fitted neoprene compartments organize your gear for easy access, while a durable, water-resistant zipper guards against moisture. Plus, a bottom compartment with a Velcro closure securely stores your multi-tool away from your spare tube, eliminating the possibility of a premature puncture. The M-Caddy also boasts an easy quick-release mounting system and a reflective taillight loop for safety.

Lezyne's M-Caddy with CO2 Repair Kit is a complete and convenient solution for the rider with speed in mind. It features a Twin Speed Drive CO2 inflator, two 16g CO2 canisters, a RAP 6 multi-tool, and Matrix tire levers in an M-Caddy bag that tucks neatly under your bicycle seat. Be prepared with all the essentials needed for a competition or any situation where a quick repair and tire inflation is a must.

If you'd prefer to carry your gear in a bag rather than stretching out your jersey pockets, Banjo Brothers' Large Seat Bag is perfect for you. It'll hold a tube, tire levers, patch kit, a mini tool, your wallet, some food, even a wind vest or camera (each sold separately). And if you're going big, it expands to haul more gear. It's made from heavy-duty 840-denier nylon with a wide-opening design for easy access. And you've got 360 degrees of visibility with reflective accents and a rear tab for a blinkie.

The Seat Bag Tour M is a water-repellent seat bag for tubes and repair kits that offers all the familiar top quality and functionality that EVOC is known for in a compact, 0.7L format. - Very durable and water-repellent material - Water-repellent zipper - Hypalon reinforcement prevents tears from the seatpost's hardware and protects the seatpost's finish - Multipurpose compartment and additional mesh pockets - Integrated loop for tail lights - Easy & safe loop fixation

Compact holder for Tube and Tools. Separate compartments for tools, CO2 & tools so they won't fall out. Fits narrow and wide/big tubes.

Listen to your inner voice of adventure. Pack up your gear, get on your bike, and ride that epic trail. BackLoader is a large-capacity seat bag specially designed for bikepackers providing a streamlined way to carry gear without the need for a rear rack. Constructed of lightweight, highly water-resistant and durable materials, it mounts and removes quickly. The upgraded saddle mount system, in conjunction with compression straps, reduces the pendulum effect associated with large rear payloads, providing a comfortable ride for those long miles. An easy-access waterproof inner bag is included to keep contents completely dry. - Polyethylene / Nylon — Lightweight, durable, water repellent and stain resistant - Hook and loop fastener - Waterproof Rating: 10,000mm (waterproof inner bag) - Max Load: 5kg / 11lb - Safety light clip - Air release button

- Water resistant material - Rip stop construction for durability - Designed to hold tools, wallet, keys, clothing and other items securely - Hook and loop fasteners mounting system - Available in two sizes

Every bike needs a seat bag. They're perfect for on-the-road repair essentials, your phone, credit cards, and a snack. Liv's Seat Bag features a zippered closure, reliable Velcro straps, reflective accents, and a place to hang your taillight.

Carry the essential roadside/trailside tools with the MSW Tool Hugger Kit. The Kit includes all the basics for quick repairs: CO2 cartridges, inflator head, tire levers, mini tool, and patch kit. Bring along your own tube and roll them all up in the Tool Hugger Wrap, which attaches to standard saddle rails, or just toss it into a jersey pocket. - Durable Cordura outer layer - Seven elastic tool compartments - Hook and loop closures

Carry just the essential roadside/trailside tools with the MSW Tool Hugger. Sleeves are designed to fit tire levers, CO2, inflator, patch kit, multi-tool, and a tube (all sold separately). Works well standard saddle rails, or just toss it into a jersey pocket. - Durable Cordura outer layer - Seven elastic tool compartments - Hook and loop closures

Don't overstuff your jersey pockets. Simplify your load by putting your essentials in Topeak's Aero Wedge Pack. It straps neatly beneath your seat and is constructed of durable 1200-denier, Teflon-coated polyester with reflective strips and a taillight mount for nighttime safety.

The H2Pro Seat Bag is designed to carry all the riding essentials and features a wide-open design, roll top closure and Velcro strap for flexible storage. The H2Pro Seat Bag is waterproof and also boasts a taillight attachment, making it ideal for shorter rides or the daily commute. Features - Giant-exclusive H2Tex 3-layer waterproof material - Velcro strap fully secures the bag under the saddle - Wide opening design allows ease of packing and unpacking - Light attachment and reflective logo for added safety Specifications - Size: 14 x 6 x 5.5cm - Volume: 0.5L

- Large single compartment - Constructed from water-resistant 600D polyester - Heavy-duty zippers - Mounts using one seat cinch strap and one Velcro seatpost strap - Volume: 70 Cubic Inches (Medium), 105 Cubic Inches (Large)

The Seat Bag Tour L is a water-repellent seat bag for tubes and repair kits that offers all the familiar top quality and functionality that EVOC is known for in a larger, 1L format. - Very durable and water-repellent material - Water-repellent zipper - Hypalon reinforcement prevents tears from the seatpost's hardware and protects the seatpost's finish - Fits multitool and spare MTB tube - Multipurpose compartment and additional mesh pockets - Integrated loop for tail lights - Easy & safe loop fixation

Want to bikepack without breaking the bank? Banjo Brothers to the rescue. A huge seat-mounted pack for bikepacking and commuting - no rack required. Usable capacity between 800 cu in and 350 cu in. 800 cu in (13L) – 22 x 7 x 6.25. Can be compressed down to 350 cu in when full capacity not needed. Rigid hull inside front of bag for secure support even when bag isn’t full. Removable waterproof liner. Requires a gap between saddle rails and fender of at least 8". - Weight: 2 lbs - Dimensions: 22.0"L 7.0" H x 6.25" W - Capacity: 800 cubic inches / 13L - Removable waterproof liner. - Requires a gap between saddle rails and tire of at least 8". - Imported

So you like to keep your rig running minimalist but practical? The Road Bandit is the best of both worlds in terms of simplicity and utility for road riders. The patent-pending Road Tube Spool was integrated into the design, making it extremely user friendly. Its compact form bolts under your SWAT-compatible saddle and features a simple, Velcro strap and securely holds your tube, CO2, CO2 nozzle and tire lever (included). One rip of the strap and you're in, with everything you need to fix a flat when time is of the essence. - CO2 valve head and two-sided tire lever snap into place for compact and secure storage. - Fits up to 80mm-long tube valve stems. - Holds a single threaded 16g CO2 cartridge. - Patent-pending Tube Spool allows the spare tube to be rolled up while protecting valve stem from rubbing a hole through the rubber. - Tire lever and CO2 head included; tube and CO2 cartridge sold separately. - Tough, lightweight, water resistant Velcro strap. - Uniquely designed to bolt directly under a saddle with SWAT-compatible mounts.

Planet Bike's Little Buddy is the perfect friend to bring along on every ride. It's made of tough material and has a padded, white interior to protect, and make it easy to see your things. Its 44 cubic inches of capacity handle all your essentials. It's also got a diagonal zipper for easy access, a taillight strap (lights sold separately) and reflective piping for visibility.

Seat Capsule Premio is our BOA-powered saddlebag option for those that prefer more structure and internal volume than what a seat roll has to offer. A high-strength thermoformed shell creates a modular structure with two internal dividers that help keep everything organized. The capsule is secured to the bike using the BOA Closure System, and features a Rail Guard for superior grip and protection of the saddle rails. The zipper is a YKK locking model that bisects the lower third of the bag. Our designer chose this low position to make it easier to access the bag while it's still attached to the saddle; a key difference between a seat bag and a seat roll. - High strength Thermoformed shell - Boa Closure System with Guide - Rail Guard protects and grips saddle rails - YKK Locking Zipper - NO Velcro to damage your seat post or inner short legs - 625cc Internal Volume

- Waterproof - Reflective Elements - Mount for clip on light - Spacers for handlebar spacing - 9 Liters 700x315mm - 2.4 gallon 27.6x12.4in

- Fast-Fix straps allow fast and secure fixing to the saddle rails and seat post - Large reflective areas on all outward facing aspects - Full welded construction - Lightweight TPU/PU coated 420D nylon material - Tapered aero shaping with reduced strap bulk - Hidden air removal valve - Single, easy-open buckle Specs: Bag Dimensions in cm: 10x12x36 Bag Dimensions in inches: 3.9x4.7x14.1 Bag Attachment: Straps Bag Material: DeniersPolyethylene/Nylon Light Loop: Yes Waterproof: Yes

Lezyne's XL-Caddy is an oversized, high-capacity saddle bag. Large rear opening provides easy access to main compartment. Labeled organizational pockets fit pump, multi-tool, and tire repair necessities. Two quick-access side pockets. Buckle system attaches to saddle rails; dual Velcro straps attach to seat post. Durable woven nylon construction. Reflective logos and loop increases night visibility. Water-resistant zipper with large pull loop.