HYDRATION PACKS
Scaled down little hydration bags, these packs have enough capacity to keep the kidos full of water and fit a small snack as well. They lack a true waist strap but you can jerry rig one from the leftover shoulder adjustment.
Osprey Moki 1.5L
MSRP $49.95 | Where to Buy: REI
Camelbak Mini Mule 1.5 L
MSRP $49.95+ | Where to Buy: Amazon