Arc'teryx Atom Hoody Women's MEC Arc'teryx Women's Atom Heavyweight Hoody Black ARC'TERYX ATOM HOODY WOMEN'S Viladomat Arc'teryx Women's Atom Heavyweight Hoody Jacket in Eden Arc'teryx Arc'teryx Women's Atom Heavyweight Hoody Jacket in Eden Arc'teryx ARC'TERYXAtom Heavyweight Hoody W's SHOP BLOG. Previously known as the Atom AR hoody, the freshly revamped Atom Heavyweight Hoody is Arcteryxs warmest option in their iconic Atom series. Ideal for use as a mid layer or as a standalone piece in dry weather, it combines a synthetic Corefloft fill with a moisture resistant shell that means despite its weight, it will dry quickly and maintain warmth even when wet. Rounded out with an insulated, helmet compatible hood, Permeair side panels for ventilation, and stretch woven cuffs. Not available for shipping outside of the UK and EU. (Excluding DE) Tyono 30d shell with DWR treatment 100% nylon Coreloft Compact 60 insulation Stretch fleece side panels reduce bulk Articulated elbows and gusseted underarms Permeair panels under arms for ventilation Full front zip with chin guard Insulated StormHood&trade Stretch knit cuffs Drop back hem with adjustable drawcord Two hand pockets with zippers Internal chest pocket Compressible and packable Regular fit, choose your usual size