Men's super lightweight full zip technical vest features stretch side inserts. Recycled polyester shell resists wind and water MerinoLoft insulation provides subtle warmth Wool lining wicks away moisture and resists odors Zippered chest and hand pockets keep essentials secure 100% Polyester shell with Wool fill & lining. Size Medium - measures approx. 21" pit to pit, 27"/28" long. Pre-owned Good - shows light wear from use. Works as a mid-layer - Hiking & Camping, Skiing, Snowboarding