Dynafit says about the Elevation Thermal Polartec 2.0 Jacket M
Functional midlayer: This jacket with Polartec® Power Grid™ fabric and integrated ventilation is breathable on fast ascents and still keeps you warm on the summit. Thumb loops and an elasthane percent in the fabric offers extra comfort. Plus, two large front zip pockets offer room for small essentials. Color contrast details lend the jacket a sporty and modern look.