Mountain Warehouse High 20 Litre Backpack - 20L Capacity, Padded Airmesh Back with Chest Strap & Hip Belt - Cushioning for your back and shoulders reduces pressure Padded Air Mesh - Cushioning for your back and shoulders reduces pressure, mesh lining lets air flow through to remain comfortable for longer Chest Strap - Adjustable strap to fasten and secure bag around the chest area to provide support and additional load transfer Hip Belt - Adjustable belt to fasten and secure bag around the hip area to provide for added support and load transfer Lots of Pockets - Including zipped external lid pocket and long zipped side pocket