Arc'teryx Cerium LT Vest - Men's Arato 10 (100% Nylon), 850-fill European White Goose Down, Coreloft 100 Insulation Lightweight yet durable Arato 10 face fabric with DWR finish repels moisture Down Composite Mapping strategically places both down and synthetic insulation Collar height provides warmth while layering easily Two zippered hand pockets, includes stuff sack Elasticized rear hem seals out drafts