1The bottom with steel plate to provide greater wear resistance for complex road surfaces. 2The anti-smashing steel head design meets the AN1 European standard, the impact resistance is 50.7lb, and the anti-pressure performance is 1.5T. 3It prevents piercing, anti-static, smash-proof, damage prevention, practical and durable. 4With air holes design, it is breathable and comfortable. 5Suitable for power Industry, vehicle maintenance, construction site, petroleum industry, machinery manufacturing, steel treatment, etc.