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Engineered for the miles ahead. Lab Tested, Wear Tested, and Field Tested, leaving nothing to chance
Shop Fall 2026
Our ultra light Aspire is the perfect choice for hot summer days, featuring firm compression and breathable support.
Shop AspireEngineered for the miles ahead. Lab Tested, Wear Tested, and Field Tested, leaving nothing to chance
Shop Fall 2026Our ultra light Aspire is the perfect choice for hot summer days, featuring firm compression and breathable support.
Shop Aspire
All socks measure 4" above Mid-Patellar Tendon (MPT). For sizing, measure from MPT to the distal end of stump.
The sock will fit a circumference of 11-18 inches (28-46cm).

Sock length is measured above the distal end for desired coverage.
The sock will fit a circumference of 11-18 inches (28-46cm).
| Below Knee Liner Sock Size | Residual Limb Coverage (in) | Residual Limb Coverage (cm) |
|---|---|---|
| -3 | 3-4" | 8-10cm |
| -5 | 5-6" | 13-15cm |
| -7 | 7-8" | 18-20cm |
| -9 | 9-10" | 23-25cm |
| -11 | 11-12" | 28-30cm |
| -13 | 13-14" | 33-35cm |
| -15 | 15-16" | 38-40cm |
Measure circumference at 4" above MPT on proximal end
| Above Knee Liner Sock Size | Residual Limb Coverage (in) | Residual Limb Coverage (cm) |
|---|---|---|
| 3 | 3-4" | 8cm |
| 5 | 5-6" | 13cm |
| 7 | 7-8" | 18cm |
| 9 | 9-10" | 23cm |
Circumference is measured at the proximal end, near the top of the liner