K9 Sport Sack Air 2Your dog always wants you to take him along, but as he ages and isn't perhaps quite as agile as he once was, what do you do? Introducing a forward facing backpack that offers the perfect solution! The K9 Sport Sack Air 2 has been designed to keep you and your dog safe and comfortable on bike rides and shorter hikes. Veterinarian approved, the backpack will allow your best friend to hang his head out of the largest window currently available, so he