Aarn Universal Balance Pockets Size:12L The vestibules outside both doors

The vestibules outside both doors provide space for boots

but not binding

A special additive drives this cooling process via phase changes

Easily cleaned and inspected

Unique Oven Door foot venting design

Aarn Universal Balance Pockets Size:12L The vestibules outside both doorsEnjoy many of the benefits of the Aarn Packs System while using your current pack. Aarn's Universal Balance Backpack Pockets are designed to help balance your load while using non Aarn branded backpacks. They work on the same principles as their Aarn Balance Pockets, offering increased energy efficiency, strain relief and convenient access. Will they work on my backpack? They are thoughtfully designed to fit any brand of backpack that uses a hip belt