Waterproof. Winterproof. Our always-sells-out Thermal series now encompasses new Original series Women's Hi Top. The Blundstone 2273 Rustic Black lets you drift through winter in dry Blundstone comfort. Thermal Hi Tops, already slightly higher against the elements, add the heat-retaining qualities of pure wool footbeds and Thinsulate lining. 100% waterproof, even the elastics. All-day Blundstone comfort and warm feet, come what may. Simply wipe clean.