Camelbak mini mule hydration packthe mini mul e is the ultimate young riders hydration pack from camelbak that lets them carry the essentials when heading out with their parents this hydration pack has grownup features such as 15 litres of water a bike tool organiser pocket zippered compartments for layers and essentials and reflective strips all in a package that fits younger riders the mini mul e also features a built in whistle for emergencies and adjustable straps allowing the h