Mens 237 boots with PUN N Np sole Un MS

Special men's footwear with leather upper, including artificial leather/microfibre, insulated with inner protective socks made of thermoplastic materials, with puncture-proof metal insoles, with natural fur insulation (Un) on two-layer oil and benzene resistant, acid-alkali resistant (acid and alkali solution with concentration up to 20%), frost-resistant, heat-resistant polyurethane sole with PU/N nitrile rubber overlay (N), including two-layer polyurethane sole with nitrile rubber overlay with anti-slip inserts (Np) of injection moulding method of sole fixing