| US Men's Shoe Size | Foot Length (in) | Sock Size |
|---|---|---|
| 5–7 | 9.0–9.6 | S |
| 7.5–9.5 | 9.7–10.4 | M |
| 10–12 | 10.5–11.2 | L |
| 12.5–14 | 11.3–12.0 | XL |
| US Women's Shoe Size | Foot Length (in) | Sock Size |
|---|---|---|
| 5–6.5 | 8.5–9.0 | S |
| 7–9 | 9.1–9.8 | M |
| 9.5–11 | 9.9–10.5 | L |
| 11.5–13 | 10.6–11.2 | XL |
| Sock Size | US Men's | US Women's | Foot Length (in) |
|---|---|---|---|
| S | 5–7 | 5–6.5 | 8.5–9.6 |
| M | 7.5–9.5 | 7–9 | 9.1–10.4 |
| L | 10–12 | 9.5–11 | 9.9–11.2 |
| XL | 12.5–14 | 11.5–13 | 10.6–12.0 |
* All measurements are in inches. Measure bare foot from heel to longest toe for accuracy.
* Our performance socks are stretch engineered for a snug, secure fit. If between shoe sizes, choose the larger size.
* Fit may vary slightly by sock style: no-show, quarter, crew, and plantar fasciitis support socks.
* Left / Right specific molded construction for better arch and heel lock.
Mini crew height, maximum possibility. A barefoot feel and tons of breathability keep your feet cool and light through runs, workouts, and daily miles. The extra ankle coverage adds a little more protection and confidence with every step.
Mini crew height, maximum possibility. A barefoot feel and tons of breathability keep your feet cool and light through runs, workouts, and daily miles. The extra ankle coverage adds a little more protection and confidence with every step. Anatomical Design
Shaped to match your feet—with a more natural toe box and right/left-specific fit that just feels better.
Targeted Arch CompressionSecure arch support and a custom-like fit that stays put.
Seamless ToeA seamless toe reduces friction where it matters most. Bye bye, blisters.
No-Slip CuffGentle cuff compression. No sliding or squeezing.
Seamless HeelSeamless, fitted heel cup that won't slip, bunch, or rub.
iWick FibersiWick technology pulls moisture away to keep your feet cool and dry.
Mesh ConstructionBreathable mesh on top keeps air flowing and feet feeling fresh.