Harkila Expedition Sock are medium length (high ankle) socks perfect for extremely cold days spent outdoors. Made from 82% Merino wool with shock absorbing soles as well as reinforced heels and toes for maximum comfort. Wearing the right socks on a day out is important to avoid cold, wet feet in order to keep you at your best and enjoying your outdoor activities. Harkila's Expedition Sock is perfect for those extremely cold days to avoid cold feet ruining the day Available in Grey/Green or Black in sizes S-XL Heavy cushioned sock made from 82% wool Shock absorbing sole Merino wool prevents odours when active Merino wool is highly moisture wicking Comfort top for a great fit that stays up Flat knitted seams for good flexibility and prevents chaffing Reinforced heel and toe for added protection Medium (high ankle) length Colour: Grey/Green, Black; Size: S - UK2-4 (EU35-38), M - UK5-8 (EU39-42), L - UK9-11 (EU43-45), XL - UK12-16 (EU46-50)