S3 safety footwear Lightweight shoe made of very strong and durable materials, with cushioning at the ankle. Breathable, Easy Air: 100% honeycomb polyamide, Special microcellular fabric lining that allows air to circulate freely inside the shoe and guarantees high sweat absorption and quick drying of the fabric, thus promoting comfort and hygiene. It has optimal abrasion resistance properties. Kevlar puncture protection FTG's research department has developed the HRP puncture-resistant, metal-free, textile insole, which, compared to the 85% index of conventional insoles, provides 100% protection for the wearer's foot against punctures.