1. Material: BK mesh, velvet, PU, TPU, GEL
2. Convex design, massage the feet
3. U-shaped heel, does not shift, fits the heel
4. Soft and skin-friendly, breathable and comfortable
5. Suitable for people with foot problems
6. Arch height: 3.6cm, heel thickness: 0.8cm, forefoot thickness: 0.4cm
7. Size: XS: 24.5x8.6cm, S: 26.5x9cm, M: 28.5x9.3cm, L: 30x9.8cm, XL: 31x10cm