Our Race Sock is made in the USA by our friends at DeFeet. They're made from recycled resources and are lightweight and breathable with an open mesh upper design.
Small - W 6 - 8, M 4.5 - 6.5, EU 36 - 39.5
Medium - W 8.5 - 10.5, M 7 - 9, EU 42 - 42.5
Large - W 11 - 13, M 9.5 - 11.5, EU 43 - 45.5
X-Large - M 12 - 14, EU 46 - 48
Discount available for Military, First Responders, Medical Workers and Teachers
They are great socks. Very cool and attention grabbing on the trail. Comfortable and good looking....what more could you possibly ask for in a sock?