Columbia Landroamer Explorer Waterproof Boots, Black & GreyTake on any adventure with the Columbia Landroamer Explorer Waterproof Boots. Featuring a classic leather upper and rugged hardware, these boots are both rugged and stylish. Designed for comfort, these boots will take you from the city to the countryside with ease. Brand: Columbia Style Name: Landroamer Explorer Style Code: CUM2100911 028 Colour: Grey, Black Materials: Upper Leather & Textile. Lining & Sock Textile. Sole Other Materials.