Sealskinz, the expert in waterproof accessories and socks, is a reliable choice. The inner material of these socks is very comfortable against the skin and contains about one-third merino wool, which helps reduce odors and regulate temperature fluctuations. The Surlingham Ankle socks are suitable for a wide range of outdoor and hiking activities. The liner material makes this model suitable for cool conditions. - Durable outer material - Aquasealz membrane inside: waterproof and breathable - Comfortable blended fabric lining: 36% Merino wool, 36% acrylic, 18% polyester, 5% polyamide, 5% elastane