SEALSKINZ Unisex Waterproof Cold Weather Mid Length Sock, Black/Grey, X-Large

The original, 100% waterproof, windproof & breathable knee length sock with insulation and temperature regulation, perfect for use in colder weather conditions. Waterproof - three layer construction for warmth, durability and waterproofing Comfort - Merino wool lining for moisture control, insulation and comfort Support - zonal elastication for added support Close fit - four way stretch for comfort and stretch fit Comfort - flat toe seams prevent rubbing Comfort - Footbed padding reduces pressure and absorbs shock Outer: OUTER: 90% Nylon, 10% Elastane Membrane: Hydrophilic Membrane Inner: INNER: 35% Merino wool, 35% Acrylic, 23% Polyester, 3.5% Elastane, 3.5% Nylon Merino Wool - Finer than traditional wool with tiny overlapp... - Manufacturers part number: 15981740