Explore the winter world with confidence and in comfort in the Women’s Storm Strike III WP. With synthetic insulation, a durable waterproof upper and a rugged outsole, it’ll take you through snow, mud and rain. UPPER/ Synthetic-leather upper. Modern design and hardware. Waterproof DryVent™ bootie construction. 200 g synthetic insulation. Super-soft collar for all-day comfort. Durable webbing navicular eyelet for support. SOLE UNIT ‘-density hiking midsole and outsole.