When your cragging outings call for sleek and hassle-free performance, the Black Diamond Stone 45's removable top lid and full-length side zip marry easy access with usability. A 45-liter capacity allows for organization in the alpine or at the crag, tuck-away ice-axe loops and rope strap keep your gear sorted and compression straps lock down extra equipment.Features Top-loading design with drawcord skirt closure and full-length side zipper for easy access to pack contents Removable floating top lid and tuck-away rope strap Padded shoulder straps and removable padded waistbelt Tuck-away ice-axe loop and top compressions straps Specs Materials: 800d nylon, 1260d ballistic nylon Average Stock Weight: 1.45 kg (3 lb 3 oz) Volume: [S/M] 43 L (2,624 cu in) [M/L] 45 L (2,746 cu in)