Lifeful&reg; Dog Fall and Winter Waterproof Nonslip Camo Hiking Boots, for Dog&rsquo;s Sports, Walking or Travel, with Front Full Zipper and Tongue, Color Blue, Size L, XL or XXL, Set of 4 Upper is made of breathable camo fabric, with very soft lining; the thermal plastic rubber sole is nonslip, waterproof, and flexible. The front full zipper makes it very easy to put on, and the Velcro strap acts as a further lock to fasten; the front tongue prevents dogs hair being caught in the zipper. Light boots with solid sewing, suitable for dog's vigorous activities in any season, especially in spring, fall and winter. Comfortable, practical and durable boots, able to protect paws against hurt from asphalt, grass, sand, rocks, salt, ice and mud. Measurement of Size XL: Inner Sole Length 3.15 Inch, Inner Sole Width 2.76 Inch; one set of 4 boots, comes with Lifeful unique hang-tag.