evo.com | Arc'teryx Synthetic > Providing reliable warmth in an incredibly versatile package, the Arc'teryx Atom Heavyweight Hoodie (previously known as the Atom AR) is equally viable as a midlayer beneath your ski shell or as a standalone jacket. Updated with a revised fit, the Atom Heavyweight Hoodie still benefits from lightweight yet highly efficient Coreloft(TM) insulation and a DWR-treated Tyono(TM) 30 face fabric. It's also equipped with an insulated, helmet-compatible hood so you can rock it on all your outdoor adventures - be it snowboarding, mountaineering, hiking, camping, and beyond. Tyono(TM) 30 Light, durable and wind resistant Tyono(TM) 30 has a dura coating for increased longevity. Regular Fit Arc'teryx's classic fit is cut comfortably throughout the chest, waist, hip, and thigh. It allows freedom of movement, provides shape, and layers comfortably over or under our layers. Permeair(TM) 20 Underarm Panels Improves mobility and breathability. This product may contain chemicals known to the State of California to cause cancer, or birth defects, or other reproductive harm. Coreloft(TM) Synthetic Insulation Mapped for optimal thermal performance. | Arc'teryx Atom Heavyweight Hoodie Men's 2026 - Large Red