展开The popular Atom SL Hoodie jacket is updated with new fabrics and a button to stow the hood when it's not in use Coreloft™ 40 insulation is light, breathable, compressible and packable; insulation is strategically placed at the chest and back to keep the jacket light and compressible Tyono™ 20 outer material balances airflow with wind resistance and has a durable water repellent (DWR) finish to repel moisture Stretch fleece side panels allow ventilation Adjustable, low-profile uninsulated StormHood™ stows out of the way with a button when you don't need it Uninsulated, mesh-lined sleeves give light protection and regulate temperature Articulated elbows and gusseted underarms allow for good mobility and comfort Full-length zipper with chin guard and windflap Adjustable hem drawcord; dropped back hem 2 zippered hand pockets Trim fit for use as a base layer or light mid layer