This black Fusalp Alisier II turtleneck base layer top is made from a stretch blend with a seamless construction for freedom of movement. Cut for a slim fit, this piece has a high neck and long sleeves. Olympian skier Mikaela Shiffrin says, 'I think it's good to stimulate your mind.' Agreed. We're stimulating ours by imagining all the ways to style this Fusalp base layer whilst on the slopes.