SB PS E HI CI WPA HRO LG FO SR class boots, with TOP RETURN non-metallic toe protection and non-metallic APT-PLATE midsole with zero perforation, with high electrical resistance, for sole protection. Waterproof skin on the outside and inner lining of 100% SANY-DRY® polyester fabric, breathable, three-dimensional, antibacterial, abrasion resistant, moisture wicking and releasing. HEAT BARRIER insole made of soft and scented PU, anatomical, insulating against high temperatures, covered with fabric. PU/nitrile sole with resistant rubber up to 300 °C (contact per minute).