100% lambswool. The wool is mulesing-free and certified as sustainably sourced, the aim being to protect the sheep and the land they graze. Color 03 is the natural color of the fiber; neither bleached nor dyed. Even the finest wool may be subject to some pilling after repeated wear. Carefully remove any pilling. 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.