The all conditions riding boot ! 100% waterproof, with breathable airmesh lining to keep your feet dry and comfortable by allowing air to circulate. Flex Foam bootie with four-way stretch nylon, the boot is light, bouyant and flexible, and fits nearly any calf. Features a solid rubber sole with yard pattern, natural rubber overlays, reinforced toe, strech fit top-line with patented "Foster dip" fits snug to the calf reflective pull on loop, and additional achilles overlays for support with built in spur rest.