High warmth-to-weight ratio Rapidly wicks moisture away from the skin while remaining breathable, packable and ultra light Ergonomic articulation is designed to move as the body moves, ensuring constant comfort High collar provides warmth Full front zip with non locking slider and chin guard Two hand pockets; laminated zippered sleeve pocket No-lift gusseted underarms, slight drop back hem Trim fit stays close tot he body allowing it to work more efficiently under shell layers Air permeable mid layer fleece garments with differing degrees of thermal efficiency Highly durable top performance materials but designed with a streamlined minimalist set of features to provide very light weight Quick-drying