Unisex sizing. For women's 8, go down to a size 7. Best-possible weather protection and ankle support.For every outdoor activity. At every level.Tomir Boot Waterproof helps you conquer all-day technical hikes through deep snow, and week-long adventures through intense rain. Along with superb ankle support, all-foot comfort, and highest-possible waterproof protection, the black boots also tread light. They use as little material as possible, with a waterproof membrane that’s climate neutral.