Extra padding that fits Kanken's 25 mm wide shoulder straps for more comfortable carrying of heavy loads. The padding is folded around the shoulder straps and secured with touch fastener. Press buttons at the top hold them in place so they don't slide down the straps. Clean with a soft brush and lukewarm water. Details: 100% polyester outer material, 75 g weight, one size volume, unisex, PFC-free impregnation. Material: Polyester.