Large main compartment to fit clothes/notebook/first-aid kit/kids' stuff. Built-in mesh pocket for personal valuables. Two side mesh pockets for water bottle can easy access.
Exterior two zipper pockets can store many items include a 10" padded tablet compartment.
Helmet carry between the outer pocket and middle pocket with two adjustable straps. Space and size can be flexibly adjusted.
This hydration backpack comes with a separate insulated bladder compartment which can be used to place your water bladder. It has a certain heat or cold preservation effect.
This lightweight hydration backpack is comfortable and stable with ultra-elastic 3D breathable padded back & adjustable chest, waist straps.