The best-selling Vigor Collection is your guaranteed ticket to layering intuitively and effectively for cold weather adventures. Thermo-regulating ActiveTemp works hand-in-hand with Vigor's grid fleece fabric, which wicks sweat and allows total breathability when you're gunning it uphill. Whether you're wearing it as a midlayer for sub-freezing days, or an outer layer for mild temperatures, take on each adventure with Vigor.Learn more about ActiveTemp technology right here.Layer up right with Outdoor Research’s thermoregulating Vigor Bottoms. ActiveTemp technology helps regulate your body temperature when the climate changes through your adventure thanks to its grid-fleece construction that actively wicks, breathes, and insulates.

-Toasty fleece pants for layering up and keeping toasty
-Grid fleece wicks, breathes, and insulates
-Athletic fit sits close enough for layering on top
-Flat seam construction reduces irritation and chaffing
-Internal drawcord at waist lets you cinch the perfect fit
-Zippered security pocket at thigh keeps keys and cards safe