Children's backpack for the smallest cyclists. Reduced version of the popular MULE model Allows your children to feel like adults, independent with tool pockets, energy bars, or a light windbreaker. 1.5 l Crux reservoir 1.5 l storage space back system Air Mesh Includes a CamelBak Crux reservoir that saves space thanks to a flattened profile. The wider tubing diameter can provide 20% more flow and better hydration. Easy handling of the reservoir allows a handle that fits well in the hand. Opening and closing the wide opening is provided by the sealing cap. The mouthpiece closure has also been improved, which is now mounted on the tube in an ergonomic position and its closing is intuitive.