Ski Trab Stelvio 85 Skins - The mix skin from Ski Trab consists of 65% mohair and 35% nylon. As a result, it has very good gliding and gripping properties. Furthermore, the Stelvio / Gavia 85 skin has a high level of durability, which means it can be used for a very long time. Thanks to the Attivo attachment system, the skin can be quickly and easily attached to both the tip and tail of the ski.