Experience the ultimate warmth and comfort with the J.B. Field's 40 Below Arctic Trail thermal socks, designed for extreme conditions as low as -40ºC. Made with 85% preshrunk wool and featuring a full terry cushion, these heavy-weight socks keep feet dry and cozy. Available in multiple sizes, they are perfect for outdoor enthusiasts and anyone needing extra warmth during cold winter months. Proudly manufactured in Toronto, Canada, these socks combine practicality with premium quality.
From the brand: The J.B. Field's 40 Below Arctic Trail is one of the warmest thermal socks we make, containing 85% preshrunk wool! This style was designed for people who require a sock to keep their feet dry and warm in the most extreme conditions—as low as 40ºC!
Pair these winter socks with a
liner sock
to help wick away moisture and keep your feet feeling fresher, warmer, and blister-free.
Don't require the extra length and looking for a
slipper version
of these socks?
PLEASE NOTE:
These socks run large. We recommend wearing a liner or sizing down, if possible.
Sizes available:
Medium (Men's 4–8 Shoe /
Women's 5–9 Shoe
)
Large (Men's 8–13 Shoe / Women's 9–13 Shoe)
X-Large (Men's 14–16 Shoe)
Wool Socks:
85% Preshrunk Wool,
15% Nylon
Thermal
Socks for harsh winters
Full Cushion:
Full Terry Cushion adds comfort, extra warmth, and protection
Heavy Weight
: 162- 200grams(M-XL)
Made proudly in Toronto, Canada!
Available with a pattern design with
J.B. Field's True North
