Katadyn BeFree AC Replacement Cartridge - Black Sit Inside For a day filled with

For a day filled with first-layer comfort—no matter what your adventure holds—pull on a pair of these briefs and get rollin'

BioFit Technology: Customizable shell adjustments reduce pressure points and enhance overall fit for a tailored feel

Rocker Geometry – Promotes smooth heel-to-toe transitions and forward momentum

Articulated sleeves for optimal mobility

True Seamless construction provides a smooth

Katadyn BeFree AC Replacement Cartridge - Black Sit Inside For a day filled withThe original replacement element for the Katadyn BeFree AC filter system. This spare part comes without an activated carbon replacement and is easy to replace. Equipped with durable filter technology ideal for outdoor adventures and traveling.