Geopress Replacement Cartridge Sizes:OS lightweight 2-piece TURNAMIC® outsole provides

lightweight 2-piece TURNAMIC® outsole provides optimal flex

Stay Warm: With 200 grams of KEEN

The elastic wrist strap offers a snug fit without affecting your ski strap position

Lightweight O Matter™ frame material with Square O metal icon and front rivet accents

Geopress Replacement Cartridge Sizes:OS lightweight 2-piece TURNAMIC® outsole providesBoost your GeoPress! GeoPress cartridges were redesigned in April 2023 with a new "core" and "flow channels" to accommodate a One Way Valve for use with electrolytes, drink mixes and or other flavored liquids. Note: the GeoPress(R) One Way Valve ships pre installed in every GeoPress Bottle. Replacement purifier cartridges for the GeoPress are designed to last 350 cycles (65 gal. 250L). Lifespan will decline when purifying water with high levels of