To own the Scott PACK TRAIL PROTECT AIRFLEX FR' 20 backpack means you have several trick up in your sleeve. It was specifically design for daring trails - features an integrated, exclusive, D30® certified back protector. The 3D shaped sweat wicking back panel, lightweight, breathable shoulder straps and hipbelt provide unbeatable comfort and safety. The main chamber can be detached so the backpack can be used only as a spine protector.