V-1 RLThe Reversible Light Vest is extremely lightweight. It is fully reversible, so you get two vests in one. The over lapping down chambers are woven together to minimize cold spots and heat loss. Use it stand alone in the mountains, as insulation under our GORE TEX Shell or on a chilly day in the city. Unisex. This is a unisex product, and the sizes are based on the men's measurement chart. If you are a woman, we recommend considering a size down from