The Columbia Twentythird Ave Waterproof Mid Print Boot is a classic waterproof boot infused with Columbia DNA, combining ruggedness and style. Waterproof full grain leather upper Omni-TECH and textile details Die-cut EVA midsole cushioning Solid non-marking rubber outsole. New. Sizes: 6 M, 6.5 M, 7 M, 7.5 M, 8 M, 10 M, 9.5 M, 8.5 M; Color: Black/Ti Grey Steel. Gender: Female. Age Group: Adult.