Anyone can wear sheep’s wool. It’s one of our most common fibers. Yak, on the other hand, only comes around once in a while — and when it does, we do everything we can to get our hands on it. Lightweight but heavy on the luxury, this sweater is made from the yak undercoat that the animal naturally sheds each year. It offers tons of warmth and softness where you need it most, and a bit of texture that'll look great under a jacket or all on its own.