Details
The warmest and tallest sock in the line, the Extreme Cold Weather/Mountaineering over-the-calf sock is designed for extreme climate on rugged terrain. Featuring full terry loop cushioning throughout for maximum warmth. Elastic support at arch. Reinforced heel and toe for increased durability.
USAF Safe to Fly Certified and NAVAIR SOA Approved.
Features
- Performance Fit: No slipping, no bunching, and no blisters.
- Fine Gauge Knitting: Unprecedented durability and our unique “put it on, forget it’s on” feel.
- Fast Action Wicking: Pulls moisture away from skin. Fast drying.
- All Weather Performance: Cool in the summer, warm in the winter.
- Guaranteed For Life: No strings. No conditions. For life.
- Merino Wool is fast drying, breathable and odor resistant for all-day comfort.
- True Seamless™: Undetectable seam fusion for an ultra smooth, invisible feel.
Specs
- Over the calf: the name says it all. The ultimate height for keeping the outside, out.
- 79% Merino Wool 20% Nylon 1% Lycra® Spandex
- The clear choice for extreme cold environments, heavyweight socks in the Tactical category are also considered the best for rugged terrain.
Cushioning Details
Questions? We’ve got the answers!
Size Chart
| Sock Size | Shoe Size | |||||
|---|---|---|---|---|---|---|
| Men's/Unisex | Women's | Men's US | Women's US | Kids' US | EU | UK |
| XS | S | 2.5 - 5 | 4.5 - 7 | 3 - 6 | 35 - 37.5 | 2.5 - 4.5 |
| S | M | 5.5 - 7.5 | 7.5 - 9.5 | — | 38 - 40.5 | 5 - 7 |
| M | L | 8 - 9.5 | 10 - 11.5 | — | 41 - 42.5 | 7.5 - 9 |
| L | XL | 10 - 12 | 12 - 14 | — | 43 - 45.5 | 9.5 - 11.5 |
| XL | — | 12.5 - 14.5 | — | — | 46 - 49.5 | 12 - 14 |
| XXL | — | 15 - 17 | — | — | 50 - 53 | 15 - 16 |
