The ASPIRE is engineered with firm compression and a thin profile for a responsive feel. Firm compression supports every contour of the foot to reduce fatigue during endurance activities. The Four height sits below the calf and its double-cuff construction provides extra support for cycling and trail running.
- Thin profile is designed to fit into any technical shoe with a barely-there feel.
- Firmly hugs the contours of your feet to support the arch and help reduce fatigue.
- Built to provide maximum breathability with signature fibers that wick moisture, keeping your feet cool, dry, and blister-free.
- 67% Nylon / 28% Olefin / 5% Spandex
| SWIFTWICK SIZING CHART | ||||
| SMALL | MEDIUM | LARGE | X-LARGE | |
| MENS | 3 - 6.5 | 7 - 9.5 | 10 - 11.5 | 12 - 15 |
| WOMENS | 4 - 7.5 | 8 - 10.5 | 11 - 13 | 13.5 - 16.5 |
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