Heel Warm Protective Cover, Size:M 37-41

1. Material: N cloth+SBR
2. Weight: S code: 26g, M code: 30g, L code: 35g
3. Size: S size: 11x9x0.2cm, M size: 11.5x9.5x0.2cm, L size: 12.5x10x0.2cm
4. Suitable seasons: summer, winter, spring, autumn
5. Smooth stitching, firm seam, comfortable and not grinding feet