Reddit mentions of Neboic 2Pack Hydration Backpack Pack with 2L Hydration Bladder - Lightweight Water Backpack Keeps Water Cool up to 4 Hours with Big Storage for Kids Women Men Hiking Cycling Camping Music Festival

or

2Packs Lightweight Hydration Backpack-They are compact and low-profile , perfectly built for lightweight pursuits like running, road biking and ultralight hiking . They feel light and stable on your back and won’t create any wind resistance.Hydration Pack with 3 Extra Pockets -Including one easy access mesh front pocket and other 2 zippered side pockets will ensure you enough space for different essentials.Perfect Form Fitting Water Backpack- It has adjustable hipbelt and shoulder straps that can be modified to fit your torso.2 liters (70 oz) Hydration Bladder-The perfect size offer a nice balance of reasonable weight and bulk while providing a sufficient quantity of water.Quick-Disconnect Tubing -The drink tube that easily disconnects from the body of the water bladder which makes simply to refill midhike. And the wide-mouth openings allow you to fit a hand inside the backpack water bladder, which makes cleaning easy.