The J.B. Field's 30 Below XLR thermal sock is designed for extreme cold weather and winter sports. Featuring a full heavyweight cushion and soft Merino wool, it keeps your feet warm and comfortable in the harshest conditions.
Key upgrades over the 30 Below Classic include a double cuff for better sock retention and added arch and ankle support to prevent slippage and bunching.
Content: 70% Merino Wool, 25% Nylon, 5% Spandex
Merino Wool: Soft, moisture-wicking, and temperature-regulating
Double Cuff & Arch Support: Elastic bands at the arch, ankle, and top for a secure fit and superior comfort
Full Cushion: Comfort and warmth throughout
Impact Support Zones: Reinforced heel and toe for added durability
Weight: 81-148 grams (XS-XL)
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)
Note: Socks fit snug, so consider sizing up.
Care: Machine Wash Warm, Wash Inside Out. Do Not Bleach. Tumble Dry Low. Do Not Iron. Do Not Dry Clean.
