Gregory,s Miwok 44 is the perfect lightweight daypack for a long day out on the trail. Day trippers will appreciate the massive volume of the main compartment for carrying everything from extra layers to lunch. Aero mesh on the backpanel, harness and waistbelt help to keep you cool and dry. BioSync Technology system Aeromesh backpanel Hydration port and sleeve with tube management system on the harness U shape front access to main compartment Low profile daisy chains Integrated, color matched rain cover Adjustable sternum strap Internal on the fly compression system Torso length: M 18 20 , L 20 22 Webbing loop for securing bike light or reflector Interior mesh organizer and key clip Dual waistbelt pockets Front expandable, stretch mesh pocket with 3 point compression system Side mesh pockets Fleece lined media pocket Number of pockets: 7 Material: 70D UTS coated nylon Size: na Weight: 2 lb. 12 oz., L 2 lb. 15 oz. Capacity: 1282 cu in.