Hydration Pack Water Backpack

This hydration backpack is especially designed for biking and running.This pack is so light that weighing only 0.3kg.It is great for hiking, camping, climbing, cycling, jogging, marathon.Adjustable chest and waist straps can make the backpack fit your body perfectly.This backpack comes with a 2L BPA-free water bladder with a large opening for easy filling and cleaning. Its heat insulation can also keep your lunchbox warm. You can enjoy cool water and fresh food whenever and wherever you go!