The Dirt Roamer Pack 20L holds all the extra layers and supplies for big rides or bad weather, combining a Regulator® airmesh back panel for breathability, a low-profile design for stability, and plenty of pockets to stay organized for whatever the trail brings. Specs & Features Durable Recycled Nylon Fabric Made with a rugged 100% recycled nylon; built for a lifetime of abuse Breathable Mesh Back Panel Raised mono-mesh back panel increases breathability and does not absorb water Comfortable Shoulder and Hip Straps Highly breathable Regulator® airmesh through the hip belt and shoulder straps to maximize breathability Included Hydration Reservoir 2-liter HydraPak® reservoir included in dedicated side-access sleeve Key Clip Internal key clip Top Compression Strap Top compression manages the load or can carry a helmet Available in Two Sizes Available in two sizes: S/M, 17.5L (20.8" x 10" x 5.9"); L/XL, 20L (21.5" x 10.5" x 6.5") Country of Origin Made in Vietnam. Weight 676 g (1 lb 8 oz)