217729 Features: Your skins are kept firmly in place by the STS tail attachment system's elastomer strap and one-step camming tailpiece; provide 10 cm of length adjustment Offering superior glide for faster, more efficient touring with lightweight mohair material that benefits from the oil in the natural mohair fiber as it has inherent water-repellent capabilities Get the best grip around with Black Diamond's proprietary Gold Label Adhesive that is formulated for a wide range of temperature and endures season after season use; thin, supple laminate construction is easy to fold Available in 15 mm increments from 80 to 125 mm There are 3 choices in sizing skins for your skis: Maximum climbing ability: size equal to or slightly less than the width of the ski tip; trim to fit with included trim tool Lightest and most compact (recommended only for skis with less than 20 mm sidecut): size approximately 5 mm (no more than 10 mm) narrower than width of the ski waist; no trimming necessary to just center them on the ski Best of both worlds: choose a skin about 10 mm narrower than the tip for skis with less than 20 mm sidecut, about 15 mm narrower for skis with 20 - 30 mm sidecut, about 20 mm narrower for skis with more than 30 mm sidecut Then just trim them to fit with included trim tool Specifications: Weight per pair: 1 lb 8 oz Material: 100% mohairSpecifications based on size 110 mm