Whether you're heading out for a mountain hike or a bike ride, this children's backpack allows you to carry everything you need for a full day. Its 1.5L water bladder ensures continuous hydration throughout your activity. With its compact and ergonomic design, the Camelbak Mini Mule 1.5L will be barely noticeable on your back, providing optimal comfort. It also features a large main compartment for carrying your personal belongings. The back ventilation system keeps you cool and prevents excessive sweating. Expandable storage pocket: It provides you with more space to store all your essential items for your adventure, as well as small souvenirs and precious stones collected along the way. Integrated tool organizer: A place for everything and everything in its place. Keep all your favorite items within reach and well-organized. Secure zippered pocket: To ensure your most precious treasures are safe and sound. Ventilated shoulder straps: The airy shoulder straps allow air to cool you down when you're out on an adventure. Lightweight and durable materials: Go on wild adventures, explore new worlds, live rough and get dirty... Nothing will compromise your comfort and your bag will remain intact. Breathable back: Stay cool, free from sticky sweat, and play and explore even more. Adjustable sternum strap: For a perfect fit! Uniquely designed to adapt to your unique body shape. Reflectivity: Venture out safely! Your bag features some "ultra-bright" areas allowing people to see you and ensuring your safety, even when it's dark outside. Perfect for nighttime explorations. Safety whistle: Make some noise with the safety whistle! If you have a problem, need help, or want to alert someone that you are approaching them by bike, use this safety whistle. (*Can also be used to annoy your siblings) Volume: 1.5 L Weight: 210 g Camelbak Mini Mule 1.5L - Hydration backpack | Hardloop