Baby Jacks are designed for smaller Backpacks, narrow Camera Backpacks, and Hydration Backpacks. Fits between 7-9 inches between the lower straps.
Incredibly comfortable and provides the support to help promote better posture. Separate the backpack from your back to give the best ventilation to reduce sweat and be cooler.
Purchase is for 1 Baby BackPackJack
Disclosure: BackPackJacks are designed to reduce sweat, we do not claim any medical improvements while using our product. If you suffer from back pain, consult your doctor and not use our product.