1surface: import waterproof horse leather2inner material: air absorb sweat BK cloth3Outsole: PU/PU double density wear-resisting Optional features: SB. S1P S2 S3 SBP 'S1Certificate:SGS, CE, LAWidely used in machinery, metallurgy, construction, chemical, pharmaceutical, mining, the electric field, etc. Each pair of shoes all through the process quality control and inspection, the factory strictly ...