80% wool/20% nylon. The wool is mulesing-free. 25% of the wool is certified recycled. The nylon is certified recycled. Even the finest wool may be subject to some pilling after repeated wear. Carefully remove any pilling. The yarn is a nubby neps yarn with characteristic, colorful little tufts. 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. Store flat. Shrinkage 4-5%. Made in Xinchang, China.