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A collection built for Quitter’s Day, and every day after. Most people give up on their resolutions by now. You don’t have to. You’ve got what it takes to stay the course.
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Meet the Aspire Mono Knit: a refined design that leaves no room for distraction. Just performance you can count on, mile after mile.
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Customize Your BundleA collection built for Quitter’s Day, and every day after. Most people give up on their resolutions by now. You don’t have to. You’ve got what it takes to stay the course.
Shop Now
Meet the Aspire Mono Knit: a refined design that leaves no room for distraction. Just performance you can count on, mile after mile.
Shop Now
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