polarized black lenses with UV400 protection block 100% of harmful UVA and UVB rays

GRID pattern helps get blood and oxygen flowing

Contoured footbed provides support

For trips to the mailbox or post-race snack table

Got a big noggin and a huge flair for style

HydraPak Ultraflask + 500ML Flask Filter System High Arch polarized black lenses with UV400Lighten your load and drink right from the source. We took our go to flask and added filtration to create a system that delivers hydration without contamination. The filter light and compact screws on top so you can drink right from the flask. Or if youre carrying more water use the system to fill a bottle or reservoir. *Effectively removes common waterborne bacteria, such as E. coli (99. 999%) and parasitic cysts (99. 9999%) per HSF 42.