Buy from Amazon.co.uk : http://www.amazon.co.uk/gp/product/B00TFVTLF0?tag=1001consej026-21
BRIDGEDALE Woolfusion Endurance Summit Knee Length Mens M Mens Black
Expedition sock designed for mountains and cold environments
Heavyweight
Warm full terry leg
Double density pads underfoot
Knee length for warmth and comfort