Ultra Light (UL) Sacoche body weight approx. 1.8 oz (50 g) (strap approx. 20 g)). Made of Cordura nylon, it is durable and has 4 times more water repellent. The top zipper has a water stop zipper, so it can be used easily regardless of the rain. There is a pocket on the outside and the mesh design prevents water from accumulating. It can be connected with a climbing backpack, and the outer pocket can store a plastic bottle, so you can take it out quickly while climbing. Attach the included strap to use it as a sacoche. It is extremely compact and ultra-lightweight, so it is useful for traveling, hiking, and serious mountain climbing.