The Interval is a problem solving wet/dry backpack. Conceived of as a surf pack with a completely waterproof lower expanding wetsuit compartment and an upper compartment for all your dry goods. The front organizer pocket stores wax, surf fins, and other accessories in an easy to clean tarp-lined design. The Interval works great for any wet/dry scenario-swimming, running, gym clothes, hot yoga-you name it. Description Non padded laptop sleeve Fits most 15" laptops Waterproof wetsuit pocket Tarp lined surf wax pocket Fin organizer sleeves Organizer pocket Fleece lined sunglass pocket Breathable shoulder straps Adjustable sternum strap Materials 600D Polyester Heather ( Tabor ) 600D Polyester Ripstop ( Tabor ) Specs 1480 cu in. [ 24L ] 18 x 12 x 8" [ 46 x 30 x 20cm ]