Arc'teryx Cerium LT Hoody - Men's Streamlined in its design, and with an exceptional warmth-to-weight ratio, the Cerium LT hoody works as a mid layer or a standalone piece in cool, dry conditions. Premium 850 fill-power down is lofty and resilient, the Arato(TM) 10 nylon shell provides lightweight durability, and Down Composite Mapping(TM) strategically places Coreloft(TM) synthetic insulation in moisture-prone areas. Articulated construction moves with the body, and the insulated StormHood(TM) provides coverage without compromising range of vision. CERIUM Streamlined, minimalist and lightweight technical down insulation. High warmth to weight ratio. LIGHTWEIGHT High performance, minimalist design that is durable for its weight. ARC'TERYX ESSENTIALS Versatile high performance designs for diverse activities and conditions. DOWN INSULATION Highly efficient natural insulation that compacts well and offers excellent warmth to weight.