Osprey hydraulics 500ml soft flask Inflatable SUP and with the SteriPEN Fits

and with the SteriPEN Fits All Filter

mesh 100% polyester

Easy Cleaning: Easily shake-to-clean the system or backflush it to keep the water flowing fast throughout your trip

easy filling

without the need to be tightened for smooth functionality

Osprey hydraulics 500ml soft flask Inflatable SUP and with the SteriPEN FitsHydrate effortlessly with this 500mL flask, designed for compatibility with vestpacks. A WingStay removable stabilizer prevents bounce, while a wide mouth opening makes it easy to load ice or mix in electrolytes. A high flow valve, easy grip twist cap and tapered shape simplify hydration. Crafted with durable TPU and RF welded seams, and compatible with the UltraFlask Filter Cap (sold separately). Features WingStay removable stabilizer prevents bounce