70% wool/30% cotton. The wool is mulesing-free. The cotton is certified organic. 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 wool-wash cycle. Use wool detergent. Gently reshape while damp. Dry flat. Shrinkage 4-5%. Made in Xinchang, China.