When temperatures are down, the Arc'teryx Men's Atom SV Hoody is the perfect gear to zip up for full-time, cold-weather protection made from wind and water-resistant Tyono™ 30 ripstop fabric that rips through the cold while remaining lightweight and breathable. Thermo-mapped for performance-focused comfort, the stretchy sides use Coreloft™ insulation to prevent overheating, while keeping you warm, even when wet. Fitted with an adjsutable, helmet-compatible StormHood™ for essential protection that you can wear with your favorite head gear, the stretch knit cuffs provide secure comfort while the articulated pattern gives you unrestrained mobility.