Arc'teryx Atom SL Hoody - Men'sThe Atom SL Hoody is designed to be lightweight yet versatile, making it an essential item for any outdoor enthusiast. Whether worn alone on chilly trail runs or paired with a waterproof shell for more extreme adventures, this hoody offers both breathability and weather resistance. Its stretch insulation provides warmth to the core, while remaining highly packable due to its lack of insulation in the sleeves and hood. What's been updated: Updated with