Whether it is 5 am and you are about to get first tracks, or you have gained 9,999′ and have one more to go, the Black Diamond Ascension Nylon STS skins will insure a swift and steady uphill so that you can get that well deserved descent on any of your backcountry ski tours. The redesigned plush material is 20% lighter, more pliable and offers a more efficient glide than past versions. Have many skis in the quiver? No problem, the STS skins come with their patented tail attachment system, which offers up to 10 cm of adjustability for use with the quiver and for tensioning. Adjustable tip loops also accommodate a wide range of ski sizes.