Share your next adventure with your pup with the K9 Sport Sack AIR. Available in multiple colors and sizes to accommodate a variety of breeds, this forward-facing backpack is easy to use and very comfortable. Both you and your dog will appreciate the fully ventilated sizes, adjustable dual side pockets, easy pull zipper, K9 Whistle Clip and safety D-ring, mesh lined Foam-Tek slotted shoulder strap, adjustable sternum strap and more.