28 mm Filter Kit headband The heel unit

The heel unit

Behold—the patent-pending RigidFlex stem

Stability and power transfer come in a slim profile thanks to latest Prolite construction

This short-sleeve button-down is made from a durable

28 mm Filter Kit headband The heel unitAccess 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