Men’s boots Dark brown leather boots for men Available in whole and half sizes 8-10.5, 11, 12, 13 Imported GBX style 576322-2 Celebrate the risks and rewards of pure adventure with the Sebastian men’s leather boots from GBX. Crafted with dark brown leather and classic oxford-inspired stitching throughout, GBX boots are your perfect partner in crime. The Sebastian men’s boots also boast a contrasting scored rubber sole, durable leather upper, lining and synthetic sole.