The Shadow Insulated Vest combines function, stretch, and style that packs down for adventure. Built with Outdoor Research's proprietary VerticalX ECO SR, this insulation boasts the technical chops you need to stay outside in unfavorable weather, while being made from REPREVE recycled polyester and bio-based Sorona. A hidden pocket holds valuables close, while an insulated collar holds warmth closeby. With softness that you have to feel to believe, the Shadow Insulated Vest is truly the best choice for versatility and comfort both on and off the mountain.