1. The heel belt is stable and strengthens the correction force
2. Built-in aluminum alloy plate
3. Multiple ventilation holes design, absorb sweat and breathable, keep you dry
4. Paste design, firm and not easy to loosen, strengthen protection
5. Material: composite cloth, aluminum alloy
6. Size: S/M/L
7. Weight: S about 43 grams, M about 48 grams, L about 51 grams