These Wool Crew Liner Socks are all-season essential. Made in the States with a balanced blend of 56% Merino Wool, 42% Nylon and 2% Spandex. This liner sock does not have the usual pile weave construction and sits tighter and closer to the foot. They sit mid-calf and are designed to complement Red Wing footwear. Size Chart : Medium: 6-9 Large: 9-12 UK To view the rest of our Red Wing Accessories collection, press here. 97337 Wool Crew Liner Socks Charcoal 56% Merino Wool, 42% Nylon and 2% Spandex Mid-Calf Crew Height All-season Made in the USA Description by: Vik