This pack has all of the same features as a week-long backpack just a smidge smaller but no sacrifice on features! 150D Nylon Rain Dobby body fabric. 315D Cordura reinforcement fabric. Top Loading. Front-panel access. Hydration ready. Super-Size-Me front pocket. BPA-Free waterbottle pockets. Security pocket with key clip. SSPD (Stylie Screen Print Detailing). Hipbelt snap-or-snack pockets. Large front pocket with organization. Side compression straps. Load compresion strap. Storm collar. Trekking pole loops. Lash tabs. Integrated bottle opener. Haul handle. Radio/GPS attachment points. M/L Specs: Volume: 1850 in3 / 30 L. Torso Fit Range: 18'' - 20.5''. Weight: 3 lb 1 oz. Load Capacity: 30 lbs. Length: 26''. Width: 12''. Depth: 11''.