| 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.
Plantar fascia support built right into the sock. Targeted compression helps lift and stretch the plantar fascia throughout wear, providing continuous support and relief from heel to arch. Ultra light cushioning gives a weightless feel without compromising targeted compression, while the heel tab helps protect against irritation throughout the day.
Plantar fascia support built right into the sock. Targeted compression helps lift and stretch the plantar fascia throughout wear, providing continuous support and relief from heel to arch. Ultra light cushioning gives a weightless feel without compromising targeted compression, while the heel tab helps protect against irritation throughout the day. Plantar Fascia Relief
Intense compression in three targeted zones helps stabilize the plantar fascia, support the Achilles, and reduce stress on the heel and arch. One choice for all-day relief.
Anatomical DesignShaped 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.
Blister TabThe unsung hero. A double-thick heel tab that cushions, protects, and helps prevent back-of-shoe friction.
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.