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Cold feet? The struggle is real. For the never warm, our synthetic Due North ski/ride socks are built for two purposes: warmth and longevity. The hollow, moisture-wicking fibers from our 100% recycled THERMOLITE? ECOMADE materials trap heat and insulate feet with a soft, dry layer that protects you from hot spots, holey socks, and the need for frequent visits to the lodge to thaw out.
Size Guide
We offer uncompromised comfort, durability, and fit. The following sock size guide will help you find your perfect sock sized based on your shoe size, from extra small to extra large.
Men's / Unisex Size Chart
| Sock Size | Men US | Women US* | Euro | UK |
|---|---|---|---|---|
| XS | 2.5-5 | 4.5-7 | 35-38 | 2.5-4.5 |
| S | 5.5-7.5 | 7.5-9.5 | 38-40 | 5-7 |
| M | 8-9.5 | 10-11.5 | 41-42 | 7.5-9 |
| L | 10-12 | 12-14 | 43-45 | 9.5-11.5 |
| XL | 12.5-14.5 | — | 46-49 | 12-14 |
| XXL | 15-17 | — | 50-53 | 15-16 |
Women's Size Chart
| Sock Size | Women US | Men US* | Euro | UK |
|---|---|---|---|---|
| S | 4.5-7 | 2.5-5 | 35-38 | 2.5-4.5 |
| M | 7.5-9.5 | 5.5-7.5 | 38-40 | 5-7 |
| L | 10-11.5 | 8-9.5 | 41-42 | 7.5-9 |
*Our men's-sized sock styles tend to reach a bit higher on the leg compared to the women's sock heights. Just FYI.
Kids' Size Chart
| Sock Size | Kids' US | Euro | UK |
|---|---|---|---|
| S | 9-11.5 | 26.5-29.5 | 8.5-11 |
| M | 12-2.5 | 30-34 | 11.5-2 |
| L | 3-6 | 35-38 | 2.5-5.5 |
Generally, your shoe size is a good indicator of what sock size you will fit. Darn Tough size charts (above) show the sock-shoe size conversion for our men's sock sizes and women's sock sizes, as well as for unisex and kids socks.
Sock Height
Sock heights are relatively universal. We admit we invented Micro Crew on our own. The below visuals can give you the general idea, and the sock lengths chart will help with specific measurements.
Sock Height by Inches
We measure from the heel to the cuff of the sock. A ruler or measuring tape can help you determine where the sock will reach on your leg, but results may vary based on your individual leg length.
| Sock Height | Men / Unisex | Women | Kids |
|---|---|---|---|
| No Show Hidden / No Show Invisible | 2" | 1.75" | — |
| No Show Socks / No Show Tab | 3.5" | 2.75" | — |
| 1/4 (Quarter) Socks | 5.5" | 5.5" | 4" |
| Shorty Socks | 6" | 5.75" | — |
| Micro Crew Socks | 8.5" | 7.5" | 6" |
| Crew Socks | 10.5" | 8.5" | 7.5" |
| Boot Socks | 11" | 10.5" | — |
| Mid-Calf Socks | 12" | 12" | — |
| Over-the-Calf / Knee High Socks | 17" | 16.25" | 13" |
Sock Cushion
Cushion is a padding within the sock created by knit terry loops. The cushioning provides added protection in high impact areas, shock absorption, and extra warmth and comfort.
- No Cushion Socks: A thin knit with no lift from terry loops in the socks. Regardless of yarn weight, this is a thin sock.
- Cushion Socks: Terry loops underfoot and other areas of the sock, but does not wrap the foot. Our most popular, versatile cushion style.
- Full Cushion Socks: The terry loops run the entire length of the sock, or at least up to the cuff, for a full wrap of cushion around the foot and leg.
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