Hydrapak Ultraflask+ Filter Cap size-s-m Available in multiple levels of

Available in multiple levels of ultra-breathable cushioning for whatever your endeavor

or the treadmill for some good old-fashioned training miles

Moisture Wicking

The newly redesigned upper combines breathable engineered mesh with stretchy knit materials to deliver a secure

5-layer hardshell

Hydrapak Ultraflask+ Filter Cap size-s-m Available in multiple levels ofRun fast, filter faster. The UltraFlask+ Filter Cap threads seamless onto all of HydraPaks 42mm running flasks and handhelds for a lightweight, straightforward filtration solution. Featuring a traditional bite valve and cap design, runners can drink freshly filtered water directly through the high flow Blaster valve. LIGHT AND COMPACT Minimal design and lightweight materials make this filter the ideal choice for runners. It takes up no extra space