Metolius Haul Bags are made of Durathane™, incredibly tough, and 10 times more abrasion resistant than the vinyl-coated nylon used in most other haul bags! They come in 4 sizes: Sentinel, Quarter Dome, Half Dome, and the monster sized 9,600 cubic inch El Cap. Find a link in our bio to all our big wall climbing gear. #bigwallclimbing #metoliusbigwall #tradisrad