The best Hydration pack for most people is the [amazon link="B07SQVS6TR" title="IBTXO 12L Hydration Vest" /]. It comes with an insulated 2-liter hydration bladder and 12-liters of storage capacity. It's designed for running but also works for most other use cases.
Source
This post first appeared on Coolest Gadgets - Reporting On The Latest Cool Gadgets, please read the originial post: here