The Osprey Moki kid's bike pack makes it a breeze for little rippers to stay hydrated on the go with an included Hydraulics LT 1.5L reservoir. Designed with the same features as our adult packs, the Moki offers a low-profile design and ventilated airmesh harness which provide a comfortable carry in a riding position. A front shove-it pocket and external zippered pocket keep small items organized while a blinker light attachment loop helps keep kids seen. Features and Specifications A low-profile design and airmesh harness provide a comfortable carry while in a riding position, a reservoir offers on-the-go hydration and a blinker light attachment loop promotes safe riding. Osprey Hydraulics® LT 1.5L reservoir with quick-zip access and sternum strap magnetic bite valve attachment. Lightweight airmesh-covered backpanel and harness create a comfortable carry and low profile for optimal stability. Front shove-it pocket Small external zippered pocket Loop for blinky light attachment (light not included) Quick-zip access reservoir sleeve with included Hydraulics LT 1.5L reservoir Ridged airmesh-covered foam with center air channel for excellent ventilation Lightweight, ridged airmesh harness provides ventilated comfort Adjustable sternum strap with rescue whistle Dimensions: 30H X 20W X 10D CM Weight: 240 grams Fabric: Main and Bottom: 220D Recycled Polyester Packcloth Osprey Moki 1.5 Litre Kid's Hydration Backpack