•ECU •Compressible, breathable and stretchy •Directional knit wicks moisture and speeds dry time •Collar and chin flap lined with Polartec Power Stretch fabric (recycled polyester) for next-to-skin comfort •Polartec Power Stretch fleece panels under the arms allow for a close fit, improved motion and better durability in high-wear areas •Zippered pockets: two handwarmers, one left chest •Shoulder seams set forward for pack-wearing comfort •Pet and Smoke Free Home