J.B. Field's Men's Icelandic "40 Below True North" Wool Thermal Winter Sock Size:Large If you are looking for

If you are looking for one of the warmest wool thermal socks available

Medium (Women's 5-9 Shoe / Men's 4-8)

Field's 30 Below Classic Over-the-Calf Socks are designed for extreme cold weather

Light Weight: 100-125grams(XS-XL)

Also available in a LARGE with a maple leaf pattern

J.B. Field's Men's Icelandic "40 Below True North" Wool Thermal Winter Sock Size:Large If you are looking forAlso available in a MEDIUM with a snowflake pattern These Men's Wool Socks are similar to our plain 40 Below Arctic Trail socks but with a pattern! There is a 'Maple Leaf' motif on the leg of the large and a snowflake pattern on the medium. If you are looking for one of the warmest wool thermal socks available, look no furtherthese contain 85% wool! We recommend wearing a liner sock for additional moisture wicking and comfort. Pre shrunk Wool: We use