Now in Olive Green by popular demand! Our Rib Cushion Alpaca Socks are a must for every sock drawer. Designed for outdoor wear or as slouch socks for lounging around at home. Long lasting alpaca blend, insulating and extremely comfortable, they can be cold machine washed and dried. The alpaca content provides sweat-wicking properties and the sock is designed with just enough elastication to ensure a perfect fit and durable shape. A lot of our customers enjoy wearing them as bed socks! Content: Alpaca 45% Acrylic 40% Nylon 9% Elastic 6%. Once treasured by Inca nobility for it's silky softness, weightless warmth and durability, alpaca continues to be an excellent choice for any clothing which needs to be worn directly next to the skin. Washes beautifully at 30° C / 86° F gentle machine wash, but best to do so in a laundry bag. US Size 6-5 - 9.5 / UK 4-7 / EU 37-40 ALSO AVAILABLE IN LARGE in charcoal, denim and indigo.