... upper 3.high quality pig skin,abrasion resistant 4.EVA insole, absorbent Economical Safety Footwear1.Products description 1.outsole: ... leather 3.Lining: high quality pig leather, absorbent 4.Insole: EVA material. absorbent and transparent 5.Feature: steel toe ... , electric insulation, oil resistant, slip resistant, chemical resistant, heat resistant2. Quality Standard 1. Anti-smashing: LD50-1994 AN I ...