Heatseeker™ insulation - lightweight protection from the cold HydroSeal® waterproof membrane - an impenetrable moisture barrier that guarantees dryness The North Face Winter Grip® outsole - for superb traction Hit the road less travelled with the Storm Strike WP Insulated Waterproof Women's Walking Boots from The North Face. Built for lightweight, flexible and waterproof protection in cold and snowy conditions. Heatseeker™ insulation keeps your feet warm while remaining lightweight for greater mobility across challenging terrain. The HydroSeal® waterproof membrane keeps your feet dry for hours while the Winter Grip® sole ensures superb grip step after step.