The Scream 25 offers durability with minimal weight, coming in at 1lb. 5oz. The pack uses high tenacity Robic fabric with Ultra Tear-Strength PU coating and Aramid yarn woven throughout, preventing extended tears and abrasion. Fabric: 210d Robic®HT Nylon with Alkex (Aramid) R/SLiner: 210d Nylon Embossed YKK Zipper Breathable shoulder straps Front panel zippered sleeve pocket Front panel daisy chain loops Fixed top lid with zippered stash pocket Side compression straps Elastic sternum strap and bite valve catch with safety whistle Reinforced haul handle Hydration compatible: Internal hydration sleeve fits up to 3LDeep side panel mesh pockets fit most 32 oz. bottlesStuffs into its own top lid pocket for storing for traveling Dimensions: 20.5 x 10.25 x 7.25 in. (H x W x D)Waist belt: 28 in.- 48 in.Torso Fit Range: 15 in. - 19 in.Volume: 26 L (1,585 cu. in.)Capacity: Up to 25 lbs.Product weight: 1 lb. 5 oz.Spot clean