The Royer Revolt -40 work boot is engineered to provide exceptional protection in the harshest winter conditions. Featuring 600 g of PRIMALOFT® insulation for optimal warmth|a waterproof and breathable R-DRY membrane to keep your feet dry|and a VIBRAM® ARCTIC GRIP sole for unbeatable traction on wet ice|this boot is built for peak performance. With a wide fit and NANOTOE® carbon nanotube toe cap|it offers superior comfort and maximum safety. Trust the Royer Revolt -40 to keep you comfortable|safe|and performing at your best|no matter the cold.