One part paddock boot, one part chore-tackling work boot, Terrain Zip is the best of both worlds. Fully waterproof, incredibly comfortable, and with a rugged, stirrup-friendly outsole, it's a rider favorite for everything from trail rides to dog walks to feeding horses. Terrain Zip Waterproof Boot Women's Terrain Zip Waterproof Boots in Palm Brown, Size: 5.5 B Medium by Ariat