100% wool with the feel of Shetland wool. The wool is mulesing-free. Even the finest wool may be subject to some pilling after repeated wear. Carefully remove any pilling. We suggest airing this garment or steaming with an iron. As a last option, hand wash cold or wash in the washing machine set to the hand-wash cycle. Use wool detergent. Gently reshape while damp. Dry flat. Shrinkage 4-5%. Made in Xinchang, China.