What Our Gearhead(R) Experts Are Saying:"This is the kind of fleece I wear all the time-trail runs, hikes, and even work-from-home days. It's lightweight, super breathable, and the ActiveTemp keeps me comfortable whether I'm moving or chilling."The Trail Mix XT 1/2-Zip Pullover keeps us warm and dry through every chilly adventure. With its soft, breathable fleece and thermo-regulating ActiveTemp(TM) tech, this pullover adapts to our output and keeps us comfortable whether we're charging up the trail or taking in the summit view. Designed for high-exertion days and versatile layering, it's quick drying and lightweight enough for all-season use. We count on the streamlined silhouette and zip chest pocket to make it a packable, do-it-all piece from fall layering to shoulder-season basecamp lounging.