The Cofra Off Shore S3 SRC is a safety boot with a water repellent leather upper, a heat resistant sole, and a non-metallic fibreglass toe cap. Water repellent leather upper Breathable synthetic external lining 100% polyamide fabric internal lining COLD BARRIER footbed, made of soft and scented polyurethane, antistatic, anatomic, insulating against low temperatures. COLD DEFENDER PU/nitrile rubber sole resistant up to +300 °C (1 minute contact) and to low temperatures up to -25 °C Non metallic fiberglass toe cap resistant to 200 J Non metallic APT PLATE midsole - Zero Perforation Internal side zip Anti-torsion Support