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Find your size, any way you measure it.
UK Size | US Mens | Nicks | Min Foot Length MM | Max Foot Length MM | Min Foot Length IN | Max Foot Length IN |
---|---|---|---|---|---|---|
3.5 | 4.5 | 4 | 220.2 | 224.4 | 8.669291339 | 8.834645669 |
4 | 5 | 4.5 | 224.5 | 228.6 | 8.838582677 | 9 |
4.5 | 5.5 | 5 | 228.7 | 232.8 | 9.003937008 | 9.165354331 |
5 | 6 | 5.5 | 232.9 | 237.1 | 9.169291339 | 9.334645669 |
5.5 | 6.5 | 6 | 237.2 | 241.3 | 9.338582677 | 9.5 |
6 | 7 | 6.5 | 241.4 | 245.5 | 9.503937008 | 9.665354331 |
6.5 | 7.5 | 7 | 245.6 | 249.8 | 9.669291339 | 9.834645669 |
7 | 8 | 7.5 | 249.9 | 254 | 9.838582677 | 10 |
7.5 | 8.5 | 8 | 254.1 | 258.2 | 10.00393701 | 10.16535433 |
8 | 9 | 8.5 | 258.3 | 262.5 | 10.16929134 | 10.33464567 |
8.5 | 9.5 | 9 | 262.6 | 266.7 | 10.33858268 | 10.5 |
9 | 10 | 9.5 | 266.8 | 270.9 | 10.50393701 | 10.66535433 |
9.5 | 10.5 | 10 | 271 | 275.2 | 10.66929134 | 10.83464567 |
10 | 11 | 10.5 | 275.3 | 279.4 | 10.83858268 | 11 |
10.5 | 11.5 | 11 | 279.5 | 283.6 | 11.00393701 | 11.16535433 |
11 | 12 | 11.5 | 283.7 | 287.9 | 11.16929134 | 11.33464567 |
11.5 | 12.5 | 12 | 288 | 292.1 | 11.33858268 | 11.5 |
12 | 13 | 12.5 | 292.2 | 296.3 | 11.50393701 | 11.66535433 |
12.5 | 13.5 | 13 | 296.4 | 300.6 | 11.66929134 | 11.83464567 |
13 | 14 | 13.5 | 300.7 | 304.8 | 11.83858268 | 12 |
13.5 | 14.5 | 14 | 304.9 | 305.1 | 12.00393701 | 12.01181102 |
If it doesn't fit, return it within 30 days, as long as it's unworn, unwashed and unaltered.
USAF Safe to Fly Certified FR/NMND and NAVAIR SOA Approved.
Height: Boot
Weight: Heavyweight
Darn Tough's Extreme Cold Weather/Mountaineering boot sock is designed for extreme cold climates or rugged terrain. This is our warmest sock, featuring full terry loop cushioning throughout for maximum warmth. Elastic support at arch. Reinforced heel and toe for increased durability.
Materials: 80% Merino Wool 19% Nylon 1% Lycra® Spandex
Bundle & Save. 10% off all accessories when adding a belt to any boot order.