Mens 231 boots with PUN N Np sole Un KP KCU

Special men's footwear with leather upper, including artificial leather/microfibre, insulated with internal protective composite (polycarbonate) soles, with puncture-proof insoles made of aramid and/or aramid fibre pairs (Kevlar fabric), with natural fur insulation (Un) on two-layer oil and petrol resistant, acid-alkali resistant (solution of acids and alkalis with concentration up to 20%), frost-resistant, heat-resistant polyurethane sole with PU/N nitrile rubber lining (N), including two-layer polyurethane sole with nitrile rubber lining with anti-slip inserts (Np) of injection moulding method of sole fixing