Having won various awards, these packs are true classics and, depending on their size, perfect companions for all tours ranging from the short after work, let off steam stint to the longer high energy day tour. The innovative F.L.A.S.H. shoulder strap adjustment assures a perfect fit and optimum carrying comfort. Basic features include extension bellows, raincover, detachable helmet holder and removable coin pocket.Product Details: Rain cover with safety light attachment expansion bellows helmet holder padded hip belt with pocket suspension system with F.L.A.S.H. Adjustment opening for hydration system coin compartment safety light attachment front outer pocket with mesh organizer reflective elementsMaterial: 210 D Mini Ripstop Polyamid Polyurethan coated, 450 D Polyester Polyurethan coated73 means 7 liters, expandable by 3 more liters.