J.B. Fields Mens & Womens 40 Below True North Wool Thermal Crew Sock zoom


J.B. Field's Men's & Women's 40 Below True North Wool Thermal Crew Sock


Add to cart options

Product Actions


J.B. Field's® Men's & Women's 40 Below True North Wool Thermal Crew Socks are similar to their 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 socks available, look no further—these contain 85% Wool! J.B. Field's® recommends wearing a liner sock for additional moisture-wicking and comfort.

  • Preshrunk Wool, Nylon and Acrylic knit
  • Full cushion
  • Reinforced heel and toe
  • Arch and ankle support
  • Machine wash warm, wash inside out, do not bleach, tumble dry low
  • Made proudly in Toronto, Canada

Size Chart:

  • Medium fits Men's 4-8 Shoe / Women's 5-9 Shoe
  • Large fits Men's 8-12 Shoe / Women's 10-13 Shoe

Product Features:

Fabric 85% Preshrunk Wool, 13% Nylon, 2% Acrylic

Style Number: 8502

More »

The Canadian owned and operated Great Canadian Sox Co. was established in 1934. J.B. Field's® is their flagship brand and is one of the oldest companies in Canada.

It was originally set up to manufacture socks designed for the logging industry, but now focuses mainly on outdoor adventure socks. They produce socks for any and every activity under various labels, also covering a wide variety of medical conditions such as diabetic and compression socks.