J.B. Field's - Icelandic "30 Below XLR" Merino Wool Thermal Sock Size:Large TRU® ZIP TECHNOLOGY

TRU® ZIP TECHNOLOGY

it also provides the ability to gradually release even under high tension

The 18L capacity of this anti-theft backpack holds more than you think

Integrated optical fiber and two high-powered LEDs provide full-length illumination

one on each end

J.B. Field's - Icelandic "30 Below XLR" Merino Wool Thermal Sock Size:Large TRU® ZIP TECHNOLOGYThe J. B. Field's "30 Below XLR" sock is ideal for those who spend a lot of time outside in cold weather and is perfect for winter sports. With a full, heavyweight cushion and soft merino wool, they are sure to keep your feet warm and comfortable in the most extreme conditions. The only differences between these socks and the "30 Below Classic" are the double cuff to help socks stay up better and both ankle and arch support, which prevents slippage