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K9 Sport Sack® Air 2


The Air 2 is the backpack dog carrier people know best. Available in sizes XS-L, it is a durable, breathable mid-level backpack perfect for smaller to medium size dogs. The Air 2 is offered at a reasonable price while including the essential safety and comfort features needed for a comfortable experience. This backpack is recommended for intermediate grade walks, hikes, public transportation, and bike rides. The Air 2 is constructed with durable Cordura® fabric and form-fitting mesh on the sides for breathability.

For Dogs Ranging 4-30 lbs (2-13 kgs)

dog Sizing chart,


  • Ventilated side panels for cooling
  • Adjustable dual side pockets
  • Sternum strap with avalanche whistle clip
  • Wide Base to accommodate your pet and its tail
  • Updated Side Mesh
  • New Side and Back Cinch Straps
  • Updated Shoulder Strap Design (No More Popping Off Chest Clips) 
  • Fur Flap (No more zipping your dog's hair in the bag)
  • Adjustable Collar Enclosure

Compare K9 Sport Sack Carriers

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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.

Customer Reviews

Based on 351 reviews
Yessenia Colon
Lazy boy approved!

Winston loves his backpack and he gets so many compliments!

Garrett Scafani
A great way to never leave my buddy at home

I use the back on bike rides, short motorcycle trips to the park and to give him break on a long walk home.

Tammy Strayer
Salem Ninja Kitty

Salem loves his Mountain Biking Pack.

pauline giannaras
I see good times ahead

Love the security this product offers. I know that my 9 year old shiztzu is OK with it. No fear! Just a good romp thru the fields.

Brian Stock
Loves It!

Our puppy was getting old and couldn't walk as far and my wife had recently gotten a scooter and was looking for a way to get him out with her. The K9 Sport Sack accomplished both.