Alite Designs Shifter Pack A size upgrade on the classic multi-use day pack, made with a commuter or adventurer in mind Roll top opening can be clipped down or expanded out Contoured and padded should straps fit snugly and comfortably Dedicated laptop sleeve with Velcro closure and zippered side access Weight: 2.1 lbs. Dimensions: 21"x13"x8" Volume: 31.0 liters Materials: waxed canvas