This vestless version of the iconic Jorasses jacket is a lightweight, compact, and highly functional insulating layer for active mountain enthusiasts. The MILLET TRILOGY JORASSES LT DW VEM is filled with the highest quality 800-fill-power natural down, providing optimal insulation with minimal weight. The undyed fabric with a semi-transparent finish reveals the structure of the feather blend, giving the vest a raw, authentic, and eco-friendly feel. Zippers in the distinctive Trilogy series colors emphasize the technical style of this layer. Ideal for insulation during climbing, ski touring, or winter camping.