[Specification 2] ●Cushion pile. Inner pile knitting is used for the sole and toe area. Reduces pain and fatigue caused by the toe box of safety shoes. ● Instep mesh. Breathability is improved by mesh knitting the instep part. ● W support. The arch part and the upper part of the ankle are knitted to prevent slippage. ●Antibacterial and deodorizing treatment. ● 5 fingers