Safety shoes (SX_KR_CYB703) Anti-smashing, anti-piercing, anti-static, oil, acid, insulation, anti-skid Safety shoes (SX_KR_CYB703)Upper: Action leatherLining: MeshTongue: PUOutsole: PU / PU InjectionSize: 37-48Standard: SB SBP SI SIP S2 S3Productivity: 100, 000 pairs per monthMini quantity: 1000 pairs Anti-smashing, anti-piercing, anti-static, oil, acid, insulation, anti-skid