Sized for anything from an afternoon loop to a 20-mile ridgeline ride, the Gregory Amasa 10 Pack is as versatile as a 5-inch-travel frame and helps your crank up steep hills without stopping. Capable of supporting all-day rides, but compressible and compact enough for your after-work loop, the Amasa gives you organization for every spare and tool, plus space left over for water, snacks, and a packable layer. Zipper closure. Access Point: Top. Material:?light foam with spacer mesh. Internal hydration reservoir sleeve and exit port: Can hold hydration reservoirs as large as three liters. Shift RS suspension for customizable load management via a vertically adjustable stability belt, which lets the rider move the belt higher or lower to better compensate for body position.. Hip Belt: Loads up the hips and prevents horizontal shift. The hip belt can be shifted vertically to ride higher or lower on your back to provide extremely stable, no-bounce performance.. Matrix Ventilation System that ?uses a foam-matrix back panel structure encapsulated by breathable mesh to provide air flow and moisture evaporation, in order to reduce energy expenditure and increase comfort. 3D quick-dry Hyrdo reservoir. Dedicated Hydration pocket. Left and right harness hose routing: multiple options for hydration bite valve management. Crash pad protection pocket with protective foam for valuables you want protected from impact and weather exposure. Dual Zippered Hip Belt Pockets for quick access items on the trail. Bike-Specific Organization with a dedicated pockets and sleeves for tire and shock pumps, spare tubes, energy bars, etc.. Sunglass Quickstow System on shoulder harness allows a quick, secure and scratch-free way to store your shades on the go. Safety Light Lash on front of bag for night or urban riding. Body dimensions: ?18.5 in. x 9.0 in. x 6.0 in.. Weight: 1.62 lbs.. Volume: 10 L. Imported.