The Thermalrunner Hybrid Insulated Jogger is built for extreme cold-weather activity, combining targeted 25gsm synthetic insulation panels across the front and seat with a smooth, water-resistant stretch nylon exterior and a soft mesh fleece interior. A full-leg stretch gusset and articulated tapered fit give it the mobility of a legging with the coverage of a pant, making it equally suited for running, hiking, or standing around in the cold. Atlas fabric panels at high-wear zones add durability without sacrificing stretch, and fleece-lined hand pockets keep fingers warm between efforts. It layers cleanly over a tight or short when temperatures drop further.
25gsm ultralight synthetic insulation on front and seat panels
