COMMUTE, TOUR, TRAVEL: Transforms from bike pannier to backpack in seconds for easy carrying and ultimate utility. Use the same bag to ride into work, bike tour, camp, hike, or run errands, rain or shine. LARGE BACKPACK WITH 30 LITERS OF ORGANIZATION: Top access padded 17-inch laptop pocket, top outer padded soft pocket for phone or sunglasses, lower outer pocket for U-lock and rain cover, internal pen slots, mesh accessory pockets, key clip, side water bottle pockets with auxiliary side velcro strap for large bottle or umbrella. SECURE, FAST PANNIER MOUNTING: German made KLICKfix Kompakt Rail Mounting System - Attaches to standard bike racks (6-16 mm). Secures to the rack quickly with a heavy duty, center spring lock (red). The mounting hooks adjust/slide along the rail by pressing the top button for a universal fit on most racks. WATERPROOF & SUSTAINABLE: Made with 100% recycled polyester with waterproof coating and top quality waterproof YKK zippers, always keeping the rain out. HIGH VISIBILITY DETAILS: Reflective details on backpack straps, sides and front of bag, reflective loop for blinky light. Comes with high visibility neon rain cover for extreme weather. The reflective material is highly visible to cars at night while also being subtle for professional settings. MODULAR ATTACHMENT SYSTEM (M.A.S): Exterior accessory top hooks for attaching your helmet or extra gear and accessories. Our fan-favorite for commuting, touring, and bike-packing is now more sustainably made, using recycled fabrics. It’s waterproof, durable and organized to hold all your work or daily gear. Adjustable, German made KLICKfix pannier system, thoughtfully designed organization pockets, separated 17” padded laptop protection, and much more.