FEATURES: ANTI-SMASH, ANTI-OIL , NON-SLIP, BREATHABLE , ANTI-PIERCING(OPTIONAL). MATERIAL: LEATHER, ... , STAINLESS STEEL(OPTIONAL), RUBBER OUTSOLE.SIZE: 35-47 YARDSFEATURE:ANTI-SMASH, ANTI-OIL , NON-SLIP, BREATHABLE , ANTI-PIERCING(OPTIONAL).USES: CONSTRUCTION ...