With the sheer versatility of the Columbia Women's Mighty lite III Vest, you'll find yourself reaching for it AT LEAST 239 days a year. That's because it's tough enough to be an outer layer and bulk-less enough to be a midlayer: warm enough for skiing and stylish enough to hit the town. Omni-Shield keeps the weather out and Omni-Heat keeps the warmth in. With all those Omnis, how could it not be comfortable'