Women's Insulated Boots 229 with PU/N Sole for Ultimate Comfort

Special footwear for women with leather upper, including with obsoyuzkoy of synthetic leather / microfibre, insulated with internal protective trays of thermoplastic materials, with puncture-proof metal insoles, with a multilayer 3-layer or 4-layer package of insulation (Um) 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) injection moulding method of sole fixing