Hydraulics 500ml Soft Flask

OspreyStay hydrated with ease using Hydraulics 500ml Soft Flask from the brand, a flask that’s Compatible with our hydration vests.

The removable stabiliser WingStay™ prevents Rebound, whilst the wide opening makes it easy to add ice cubes or electrolytes. The high-flow valve, the easy-to-use screw-on stopper and its tapered shape make it easy to stay hydrated. Featuring radio-frequency welded seams made from durable TPU and Compatible with the filter UltraFlask stopper (sold separately).