Built from tough vinyl-laminated nylon...it"ll handle a beating. * Hip belt and straps are padded with two-centimeter EVA foam and tuck away fast when you"re heading up. * Includes a built-in belay seat and a double-walled skirt * Weight: 9 lb 8 oz / 4.3 kg * Capacity: 145 L / 8900 cu in. Dimensions: 37" H (94 cm) x 17.5" W (45 cm)