The Pet Life Ruff Tough Suede Dog Shoe Sneakers are composed of a tougher suede outer shell and inner lined with Thinsulate insulation. Features a back zipper and double wraparound hook and loop closure for easy on and off access and added support and comfort. These dog shoes offer a higher level of ankle support. Features rubberized grips. These shoes are essential during the colder and hotter weather climates protecting your dogs paws by helping prevent frostbite and protects your dog's paws against the hot asphalt. Essential for dogs in recovery and especially elder dogs and puppies. Sizing Instructions: Measure the sole of your pet's foot - length x width (inches):