Pet Life ® 'Duggz' 3M Insulated Winter Fashion Dog Shoes Booties - Set of 4The Pet Life Shearling "DUGGZ" Dog Shoes is composed of a Suede and Sherpa Outer shell and inner lined with Thinsulate insulation. Features a Back Zipper and Wrap Around Hook and Loop for Easy On Off access and added support and comfort. Features Rubberized Grips. These Shoes are essential during the colder weather climates protecting your dogs paws by helping prevent Frostbite. Essential for Dogs in Recovery and especially elder dogs and puppies.