What Our Gearhead(R) Experts Are Saying:"This is my favorite fleece for moving fast in cold conditions. It's breathable enough for uphill skinning or trail runs, but still warm when I stop. The fit is dialed for layering and the HeiQ treatment keeps it fresh on multi-day outings."From trail runs before sunrise to technical climbs in shifting alpine weather, the Norr na Falketind Warm1 Active Jacket keeps us warm without weighing us down. Designed as the most breathable fleece midlayer in Norr na's line, it's built for high-output missions where sweat and shifting temps are part of the game. Crafted with bluesign(R) and GRS-certified recycled materials, this midlayer uses a lofted fleece main fabric for warmth and a stretch grid fleece in key zones for mobility and airflow. Features like gusseted underarms, thumb loops, and stretch side panels allow full freedom of movement, while HeiQ(R) Fresh odor control keeps things fresh between washes. From mountaineering to ski touring, this piece is engineered for movement in the mountains.