K9 Sport Sack Knavigate Dog Backpack Carrier

K9 Sport Sack® Knavigate is designed to fit small through large size breeds and combines all the best features from K9 Sport Sack’s backpack dog carriers. Each size is equipped with an internal frame as well as a padded hip belt to comfortably support all body types, including humans and their dogs. The Knavigate was made for the most avid adventurers and allows for longer, more strenuous activities with your dog. For Dogs Ranging 4-50 lbs (2-23 kgs) Wide range of sizes to choose from: XS-XL  Lap Belt on all sizes Dog Lumbar Support Straps Hip Pockets SAFETY: All K9 Sport Sack carriers are specially developed under the close direction of animal professionals, veterinarians, dog trainers, and outdoor product engineers to be ergonomic, safe, and strong. Measure your dog from collar to floor in begging position. Length- Measure from the collar to the base of the tail. Girth- Measure around the widest part of the dog's chest. Size Length Width Height Pet Weight X- Small 8 inches 7 inches 15 inches 5-8 lbs Small 10 inches 8 inches 17 inches 8-14 lbs Medium 11 inches 9 inches 19 inches 13-20 lbs Large 12 inches 10 inches 22 inches 20-35 lbs X-Large 14 inches 11 inches 25 inches 35-45lbs