Ultraflask+ Filter Cap Size:42mm Our Free Range Fleece Vest

Our Free Range Fleece Vest is a no-frills base layer or cool day warmer

And that legend continues with the Camper pocket knife

and buttery soft

and odor resistance of Merino with the comfort of an interlock knit

Ultraflask+ Filter Cap Size:42mm Our Free Range Fleece VestRun fast, filter faster. The UltraFlask+ Filter Cap threads seamless onto all of HydraPak's 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.*Effectively removes common waterborne bacteria, such as E. coli (99. 999%) and parasitic cysts (99. 9999%) per HSF 42.