J.B. Field's Icelandic "30 Below Over-the-Calf" 70% Merino Wool Thermal Sock toilet Jetboil's proprietary regulator technology offers

Jetboil's proprietary regulator technology offers incremental heat adjustments from light simmer to full boil

or improper care may be repaired

Versatile companion for backpacking

How hard is it to set up

Quick drain mesh pockets (Model CN-660 only)

J.B. Field's Icelandic "30 Below Over-the-Calf" 70% Merino Wool Thermal Sock toilet Jetboil's proprietary regulator technology offersThe J. B. Field's 30 Below Classic Over the Calf Socks are designed for extreme cold weather, offering warmth, comfort, and moisture wicking performance. Ideal for winter sports, these thermal socks are made with 70% Merino wool for superior softness, temperature regulation, moisture wicking, and natural odor resistance. The over the calf length provides extra coverage, making them perfect for skiing and harsh winters. Key Features: Content: Merino