Material: 100% Polyester. Perfect for active days. Volume: 20LTwo large compartments with zippers.Adjustable shoulder straps with quilted, soft mesh fabric.Two open side pockets.Soft, quilted mesh fabric at the back.Hike Backpack 20 L hiking backpack by Swedemount. Lightweight, practical backpack with adjustable bands for best comfort. Multiple, practical compartments with zipper. Hardwearing material perfect for hiking and everyday life.