The Thermalrunner Hybrid Insulated Jogger is built for extreme cold, using targeted 25gsm synthetic insulation panels across the front and seat where warmth is needed most. The outer shell is a smooth, water-resistant stretch nylon that moves quietly, while the interior features a soft mesh fleece lining. A full-leg stretch gusset and articulated tapered fit give it the mobility of a legging with the coverage of a pant, and durable Atlas fabric panels add reinforcement in high-wear zones. Wear it as a standalone layer or pull it over a tight or short when temperatures really drop.
25gsm ultralight synthetic insulation on front and seat panels
