Hydrapak 28mm Filter Kit 20ACCESS They also come with polarized

They also come with polarized lenses for a few extra bucks

It has pole loop attachments at the back to hold running poles when needed

making it easier for athletes to calculate their carbohydrate consumption during training and racing

light output

Hydrapak 28mm Filter Kit 20ACCESS They also come with polarizedAccess potable water anywhere. Our unique and versatile 28MM inline filter threads directly onto popular 28MM opening bottles and flasks and is equally easy to install in any of our reservoirs and caps with a Plug N Play connect system. This versatile connectivity makes our filter a great backcountry water treatment solution whether you are squeezing your water from a Stow into another bottle, gravity filtering your water out of a Seeker or Pioneer