Volcom Men's Over Achiever Backpack 100% Polyester Imported 100% Polyester lining Zipper closure 15" shoulder drop Machine Wash 18" high 13" wide Backpack 25L capacity Large main compartment with laptop sleeve Insulated front cooler pocket Diagonal zip top compartment Side water bottle pockets and internal mesh organizer Pockets: 1 interior slip, 2 exterior