100% waterproof, breathable unisex sock. Most waterproof socks are binding and uncomfortable... these feel amazing! With midweight cushioning and warmth, 4-way stretch and elasticized arch these are really comfy. The nylon outer layer protects the Hydrotech waterproof breathable membrane and the inner layer is knit from merino wool, known for its anti-odour and anti-bacterial properties.

Small: fit US mens 4 - 6.5
Medium: fits US mens 7 - 9.5
Large: fits US mens 10 - 12.5
X-Large: fits US mens 13