The Arcteryx Miura 30 Backpack is a mid-sized convertible that will hold all the days necessities and climbing gear on the inside, and a rope can be strapped to the outside in two different configurations. Release the Rolltop and open the front panel for instant access to all the gear.Arcteryx Miura 30 Backpack Features: Full-separating front panel. RollTop closure. Dual full-length side zippers with opposing thumb loops. Two internal gear racking loops. Top pocket. Kangaroo pocket with external and internal access zippers. Two top grab handles. Two modular/removable external load straps with quick release buckles. Hydration bladder clip and hose port. Anatomically shaped hipbelt and shoulder straps. Spacermesh backpanel. Shoulder straps and hipbelt. Materials: HDPE framesheet 6061 aluminum stays 630D Superpack plain weave 1260D Invista Ballistic Superpack nylon 210D nylon plainweave Spacemesh Hypalon trim EV50 foam Specifications Volume: Reg: 30 I/1831 cu. in Tall: 35 I/2136 cu. in Weight: Reg: 1.9 kg/69 oz. Tall: 2.1 kg/73 oz.