The Arc'Teryx Women's Delta LT Jacket is a lightweight fleece for all around adventure warmth on chilly to cold weather. Polartec Classic 100 Micro Velour Small Grid fleece is a 100% polyester fabric, Technical for the trail and slopes and a streamlined look for the in-town off days. The grid pattern helps wick moisture from the skin and dry quickly and it also breaths so you won't overheat during physical activity. Hike, Snowshoe, ski and more, this light jacket has zippered pockets for personal Items and warms the body whether worn alone or under a shell. Features of the Arcteryx Women's Delta LT Jacket Polartec Classic 100 micro velour small grid offers 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