CamelBak Scout 50-Ounce Hydration Pack

From OMCgear

The Scout is a full-featured hiking pack designed specifically for younger explorers with a safety whistle name patch and bright kid-friendly colors. With a short torso length It&';s tailor-made for preschoolers and grade-school students. The Crux reservoir delivers 20 more water per sip with an ergonomic handle for easier refilling and an on/off lever that makes it easy to prevent leaks. Safety whistle included on sternum strap Breathable air mesh back panel for a lightweight comfortable fit Reflective accents for visibility in low-light environments Transparent external pocket lets you personalize your pack