Tried on outside once. They are good as new. Dog boots designed to protect paws from hot pavement and other hot surfaces. Water friendly boots with drainage holes on the sole. Ultra-wide opening and rubber grip on soles for easy put on and stay on. Toggle at the top of the boot for adjustability and comfort. Comes in a pack of four. Keep your pup's paws protected and enjoy sunny walks with the Canada Pooch Hot Pavement Dog Boot. This water-friendly canine shoe is designed to keep your furry friend's paws safe from hot pavement and other hot surfaces. The ultra-wide opening and rubber grip on the soles make it easy to put on and keep on. Plus, the toggle at the top of the boot ensures adjustability and comfort. With a pack of four, you’ll have coverage for each foot.