BOOTS WITH FLAP IN PIGMENTED SPLIT LEATHER - S3 HRO HI SRC Upper: Pigmented split leather, S3 water-resistant treatment.Lining: Polyester.Insole: Removable pre-molded - Polyamide on EVA.Outsole: Injected - PU/Rubber nitrile.• Para-aramid seams.• Flap. Fastening with the velcro band. Product Uses/Risks: Construction / Civil engineering Heavy industry Light industry Mining Second work/craftsman Antistatic Cutting / Perforation Slip Heat Shock Product Highlights/Benefits: Standards EN ISO 20349-2: 2017 - WG special welders Protection against thermal risks and projections Specially designed for any multi-sector welding activity Two elastics inside for closer fitting protection Improved hold on the kick of the foot Leather collar and para-aramid thread Enhanced heat protection Velcro closure Fast opening Protection against projections Integrated flexion zones Increased flexibility at the metatarsal level Work facilitated whatever the position RUBBER NITRILE OUTSOLE Good resistance to abrasion and contact heat (standard HRO = 300°C for 1 minute) Guaranteed insulation of the foot in the shoe against heat (HI: the temperature inside must not exceed 22°C after 30 minutes in a sand bath at +150°C) Optimum adhesion on all types of surfaces