The Black Crows Pilus Ova Freebird Climbing Skins feature a combination of mohair and nylon, with a signature membrane that seals out wet weather and keeps them super sticky. Durable, practical, and with superior grip and glide on the skin track, these hybrid skins are your do-it-all tool for the backcountry. Precut to fit the 2023 Black Crows Pilus Ova Freebird skis.