The Nuala are a lovely light sock so they are great for comfort without being too bulky. We have added a zig zag pattern in the weave & a subtle multicoloured nepp to the yarn so these socks give you a little more than you average toe warmers. Nepp yarn Zig zag weave Ribbed top 58% Cotton 26% Nylon 15% Polyester & 1% Nylon 30°c Machine Wash