Combining cutting-edge fabric and insulation technologies with our Hybrid-Mapped construction ensures the lightly insulated Deviator Hoody provides the perfect amount of air permeability and warmth where each is needed most. State-of-the-art Polartec Alpha insulation dries quickly, retains warmth and circulates airflow for incredible breathability, and Polartec Power Dry High Efficiency in the hood, sleeves and back panel wicks moisture to the outside of the fabric, letting it evaporate and keeping you comfortable.