Material: cowhide + cotton canvas Size: 35-46 yards Weight:1.2kg Thermal insulation performance: ≤22℃, keep 30min under 150℃ hot plate test environment Puncture resistance: ≥1100N, anti-smashing performance: ≥200N Anti-slip performance: the initial slip angle should not be less than 15 degrees Baotou: EU certified steel toe cap (anti-smashing) Midsole: EU certified steel plate (puncture-proof) Sole: non-slip wear-resistant rubber outsole (solid sole) Executive standard: GA633-2006/EN15090 Reflective logo belt: orange heel Boot upper zipper has automatic locking function, and the periphery is made of leather material