Men's Cerium Vest - Black SapphireDESCRIPTION A light, warm down vest from Arc'teryx that shines as an alpine midlayer or as a versatile standalone outer packs down small, weighs little, and delivers big warmth. Easy to layer and a great alternative to the full jacket version. The design of the Cerium Vestt is refined for optimal fit and efficiency, utilising more sustainable materials while delivering the same outstanding warmth to weight ratio you'd expect from a top of the range