J.B. Field&
J.B. Field&
J.B. Field&
J.B. Field&
winter thermal sock
winter thermal sock
J.B. Field&
J.B. Field&
J.B. Field&
J.B. Field&

J.B. Field's Icelandic "30 Below Over-the-Calf" Merino Wool Thermal Sock


Regular price$20.00
Shipping calculated at checkout.

  • In stock, ready to ship
  • Inventory on the way

The J.B. Field's 30 Below Classic is already our most popular sock and the bestselling thermal winter sock in Canada, but due to high demand for a longer length we have designed an over-the-calf version! This line of thermal winter socks was designed for people who require a sock that can keep their feet dry, warm, and comfortable in the most extreme conditions... but now it can cover more leg, making it the ideal ski sock! 


Soft, warm, and durable: Merino Wool is a versatile fibre that wicks away moisture and keeps your feet dry, blister-free, and smelling great. Due to a lower micron width per strand, it is a finer type of wool without the itch. 

Also available in a crew length

Also available as a slightly imperfect 3 pack

Sizes available:
Medium (Men's 4-8 Shoe / Women's 5-9 Shoe)
Large (Men's 8-12 Shoe / Women's 9-13 Shoe)
X-Large (Men's 13-15 Shoe)
  • Content: 70% Merino Wool & 30% Nylon
  • 15" Leg length
  • Pre-Shrunk Merino Wool: We use the best quality wool from Australia for amazing softness and warmth
  • Heavy Cushion: Full terry cushion for added comfort, extra warmth, and protection
  • Mid Weight: 132-165 grams(M-XL)
  • Made proudly in Toronto, Canada!

sock length chart

Machine Wash Warm, Wash Inside Out. Do Not Bleach. Tumble Dry Low. Do Not Iron. Do Not Dry Clean.

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