Sealskinz Waterproof ECW Mid Length Sock black/grey/white M

Crafted with the thickest insulation, this sock is ideal for extremely cold and wet conditions where thermal retention is imperative. Using a three-layer bonded construction, a 100% waterproof hydrophilic membrane is sandwiched between a premium Merino wool interior for warmth and a durable nylon exterior with 4-way stretch lending to great fit and wearability.
(36-38) S
(39-42) M
(43-46) L
(47-49) XL Material: 41% Merino Wool, 41% Acrylic, 14% Polyester, 2% Nylon, 2% Elastane, Middle Layer — 100% Hydrophilic Membrane
Sex: unisex
Recommended usage: Cycling, fishing, hunting, hiking, mountaineering 100% Waterproof & Extremely BreathableHydrostop provides a more secure fit between the top of the sock and your leg, reducing the chance of water getting through and enabling you to go out and stay out whatever the weather
Three-layer construction for warmth, durability and waterproofing
Merino Wool lining provides moisture control, insulation and comfort
Strategically placed elastic zones offer extra support
Footbed padding reduces pressure and absorbs shock