For a warm, lightweight layer, wear the Outdoor Research Vigor Quarter-zip. It's a pullover layer that regulates your temperature during activity. The secret is ActiveTemp technology on the grid-back fleece. It works as you do, keeping you warm on a cool day and also wicking sweat and remaining breathable as you work up a sweat. It's also designed with Dynamic Reach and movement-mirroring stretch. So when you reach or climb, the material doesn't ride up your back. And while this quarter zip is great for outdoor activity, it's a stylish everyday top as well. Thermo-regulating ActiveTemp 94/6 polyester/spandex grid-back fleece keeps you warm and remains breathable Material is also moisture wicking and quick drying Movement-mirroring stretch moves with you through all activity Dynamic Reach panels for a comfortable fit through reaching and motion UPF 30 sun protection is a must for skin health Zipper chest pocket for secure storage of license, etc. Smooth flat seam construction Thumbhole sleeves 9 inch zipper placket Order today!