1. Material: BK mesh, PU, TPU, GEL
2. Support the arch of the foot and relieve the pressure of walking
3. U-shaped heel cup to prevent sideslip during exercise
4. Soft and skin-friendly, breathable and comfortable
5. Suitable for people with foot problems
6. Size: XS:19.5x8.7cm, S:21x8.8cm, M:23x9.5cm, L:24x9.7cm, XL:25x10cm
7. Forefoot thickness: 0.3cm, arch height: 3.5cm