At home hiking, biking and more, the Tempest Jr. is designed for girls aged 4-12 years old. Featuring comfortable and breathable AirScape® suspension and a seamless harness-to-hipbelt wrap that flexes with the child’s body during the sport of their choice. Constructed with durable, lightweight fabric; easy-to-reach hipbelt pockets; an external reservoir sleeve; and loop for a blinky light.Key Features:Internal key attachment clip,LidLock™ bike helmet attachment,Stretch mesh side pockets,Sternum strap with emergency whistle,Reflective graphics,LED light attachment point,Fully adjustable AirScape™ backpanel with foam ridges for comfort and fit,Internal mesh pockets,Zippered top pocket,Padded hipbelt,Grab handle on top,Twin zippered hipbelt pockets,Front powermesh pocket.