The synthetic layering piece for the woman who prefers the easy care flexibility of Resilient Coreloft™ 60 (60 g/m²) 100% Recycled Polyester insulation with its breathable, warm, and light performance that isn’t compromised if it gets damp the Arc'teryx Atom Women's Hoody is your packable, layerable, wearable, solution to cold. Designed for movement this has an articulated tailoring with gusseted underarms, articulated elbows, and performance stretch fleece with elastane side panels to trim the fit and provide added ventilation. The low profile StormHood™ is insulated and fully functional, with structured mini hood brim to add structure to maintain visibility when you’re fully tucked in. A No Slip-Zip™ front zipper stays where you put it, for a little venting, a lot of venting, or up to the chin.. no venting at all. The trim fit insulated layering piece that glides under your shells and stands up to damp when you’re out on a summer summit. Definitely a “don’t leave home without it” addition to your core outdoor wardrobe.