Olang Opera Tex women's winter insulated boots are equipped with an Olantex® membrane that provides excellent waterproofing and breathability. This Olang shoe features advanced Vibram® Artic Grip technology that is designed for wet and slippery surfaces. * upper material: textile * lining: wool * Olantex® membrane - provides excellent water resistance, breathability, is comfortable, light and durable * Vibram® Artic Grip - very advanced anti-slip technology designed for wet and slippery surfaces. * sole with OC-system is stable on any surface covered with ice. The two-position rotation system in the sole provides a secure step on icy surfaces. * slip-on shoes with a drawstring in the front * reinforced heel and toe * snowmen