DAKINE Amp 12L Hydration Pack - 700cu in Volume: 700 cu in Dimensions: 18 x 10.5 x 6.5 in Reservoir Volume: 3 L Pockets: 2 mesh side, 1 fleece-lined padded phone, 1 fleece-lined sunglasses, internal organizers, 2 front zip Material: 630D nylon, 70D nylon