Standard ASTM F2413-18. Water Repellent Pull-Up Nubuck upper. Breathable and abrasion resistent internal lining. Thermic Insole footbed, made of soft and scented polyurethane, anatomic, insulating against high temperatures, covered with cloth. The thermal comfort inside the footwear is granted thanks to the special polyurethane compound devised to give high insulation. Heat Defender P/U Sole nitrile rubber resistant up to +572 °F (1 minute contact). Non-metallic toe cap. Top Return Plate non-metallic. Apt Plate zero perforation with high electrical resistance. Wide width. Abrasion resistant TPU toe cap protection. 100% Non Metallic, toe cap protection. Asphalt footwear.
