39% cotton/26% alpaca/25% nylon/10% wool. The cotton is certified organic. The nylon is certified recycled. 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 wool-wash cycle. Use wool detergent. Gently reshape while damp. Dry flat. Store flat. Shrinkage 4-5%. Made in Dongguan, China.