Waterpfoof, windproof and breathable material
Surface material: 90% Nylon and 10% elastane
Liner: 41% Merino wool, 41% acrylic, 14% polyester, 2% elastane and 2% Nylon
Mid length shaft
S = 36 - 38
M = 39 - 42
L = 43 - 46
XL = 47 - 49
This model used to be called “Trekking Thick Mid” and “Waterproof Extreme Cold Weather Mid Length Sock”.