Puffy and compressible for packable protection on the go, the Arc'teryx Women's Cerium Hoody is constructed from durable Arato™ fabric for weather protection that doesn't weigh you down. Packed with European white goose down and mapped with strategically placed insulation for performance-ready warmth, this puffy mid-layer is fitted with a helmet-compatible StormHood™ that's insulated and adjustable for versatile protection.