| Sock Size | Men | Women | Euro | Ankle Circumference |
|---|---|---|---|---|
| Small | 3-5.5 | 4-6.5 | 33-36 | 5-8" |
| Medium | 6-9.5 | 7-10.5 | 37-41 | 7-10" |
| Large | 10-13 | 11+ | 42-46 | 9-13" |
| X-Large | 13.5-15 | 47-50 | 11-15" | |
| XX-Large | 15.5+ | 51+ | 13-18" |
| Sock Size | Men | Women | Euro | Ankle Circumference | Calf Circumference |
|---|---|---|---|---|---|
| Small | 3-5.5 | 4-6.5 | 33-36 | 6.5-8.5" | 9.5-14.5" |
| Medium | 6-9.5 | 7-10.5 | 37-41 | 8.5-10.5" | 12-17" |
| Large | 10-13 | 11+ | 42-46 | 9.5-12.5" | 14-19" |
| X-Large | 13.5-15 | 47-50 | 12-14" | 14.5-20" |
| Sock Size | Men | Women | UK | Euro |
|---|---|---|---|---|
| Small/Medium | 3-7 | 4-8 | 2-8 | 35-39 |
| Large/X-Large | 8-14 | 9+ | 8-13 | 39-47 |
| Size | Wrist Circumference |
|---|---|
| Small | 5.5-6" |
| Medium | 6-7" |
| Large | 7-8" |
| X-Large | 8"+ |
The breakthrough product is specifically designed for comfort, fit, protection, and breathability. OS1st TA4 Thin Air Performance Socks feature never before applied technology to keep your feet cool and protected during any activity. Created using 200n medical grade machinery and materials we can build in comfort, durability, and blister protection, yet with the thinnest upper foot profile ever made. The "Thin Skin" construction with uniquely positioned lift bars, maximizes airflow achieving a cooling sensation to your feet. OS1st manufacturing technology has been leveraged to create the most unique performance socks ever.
Ideal for: Blister protection, Sore/Achy feet, Hyper-sensitivity, Overheating
Features
- No Show Height
- Light Cushion
- Skin Thin Design
- Heat Release
- Lift Bars for Maximum Air Flow
- Ultra-Lightweight
- Medical Grade Light Compression with Compression Zone Technology
- Anatomical fit for left/right foot with Y-Gore Heel
- Moisture-wicking
- Anti-bacterial
- Seamless Construction
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Gender
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Age Group
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Material
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Style #
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Height
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Cushion
| Sock Size | Men | Women | Euro | Ankle Circumference |
|---|---|---|---|---|
| Small | 3-5.5 | 4-6.5 | 33-36 | 5-8" |
| Medium | 6-9.5 | 7-10.5 | 37-41 | 7-10" |
| Large | 10-13 | 11+ | 42-46 | 9-13" |
| X-Large | 13.5-15 | 47-50 | 11-15" | |
| XX-Large | 15.5+ | 51+ | 13-18" |
| Sock Size | Men | Women | Euro | Ankle Circumference | Calf Circumference |
|---|---|---|---|---|---|
| Small | 3-5.5 | 4-6.5 | 33-36 | 6.5-8.5" | 9.5-14.5" |
| Medium | 6-9.5 | 7-10.5 | 37-41 | 8.5-10.5" | 12-17" |
| Large | 10-13 | 11+ | 42-46 | 9.5-12.5" | 14-19" |
| X-Large | 13.5-15 | 47-50 | 12-14" | 14.5-20" |
| Sock Size | Men | Women | UK | Euro |
|---|---|---|---|---|
| Small/Medium | 3-7 | 4-8 | 2-8 | 35-39 |
| Large/X-Large | 8-14 | 9+ | 8-13 | 39-47 |
| Size | Wrist Circumference |
|---|---|
| Small | 5.5-6" |
| Medium | 6-7" |
| Large | 7-8" |
| X-Large | 8"+ |