Search query: camelbak backpack under $40

Product: CamelBak Hydrobak Hydration Pack 50 oz Lightweight cycling Hydration pack: The HydroBak cycling Backpack is exceptional for those short Bike rides; The 50 ounce crux reservoir provides enough water for a two hour ride, with a zippered pocket and ventilated harness for comfort
More water per sip: Hydration in this lightweight backpack is supplied by a 1.5 liter crux reservoir, designed for quicker loading and refilling; it delivers 20 percent more water per sip, keeping you hydrated while you ride
Built for simplicity: When all you want is water, this minimalist bike pack has you covered; with enough water for a 2 hour ride and a safe zip pocket for keys and essentials, the hydrobak backpack is designed for those short cycling adventures
Streamlined yet comfortable: Our men’s backpack features a secure zippered pocket that is perfect for storing your essentials; the lightweight and ventilated mesh harness and breathable air mesh back panel produce a comfortable fit
If we build it we'll back it : Our got your back lifetime guarantee covers all reservoirs, backpacks, bottles, and accessories from manufacturing defects in materials and workmanship for the lifetime of the product CamelBak Black/Graphite

Product: CamelBak Mini M.U.L.E. Kids Hydration Backpack, 50 oz, Atomic Blue/Navy Blazer Kids’ biking hydration pack: Camelbak kids’ mini M. U. L. E. Pack is small enough for kids to carry 1. 5L of water. It’s lightweight with a built-in safety whistle, extra storage pockets, and reflective accents for visibility in low-light environments.
More water per sip: crux reservoir delivers 20% more water per sip, with an ergonomic handle for easier refilling, and an on/off lever that makes preventing leaks simple. The kid-friendly and easy to use on/off switch supplies the water kids need.
Comfortable & FUNCTIONAL backpack: mini M. U. L. E. Hydration backpack has a bike tool organizer pocket, a Breathable mesh back panel for a cool & comfortable ride, and a Stretch overflow POCKET perfect for stashing a rain shell or extra layer.
Kid-friendly sizing: This pack has grownup features in a package that fits younger explorers. Our reflective strips and safety whistle make kids easy to spot on the trail. This kid’s backpack for hydration will keep your littles hydrated and happy.
Safety whistle built into sternum strap CamelBak Atomic Blue/Navy Blazer