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Just because the temperature is dropping doesn't mean your activity level has to follow. The plus-size women's REI Activestretch half-zip top offers comfort that will heat up your workout routine. Quick-drying Activestretch fabric features a moisture-wicking fleece inner face and a smooth outer face that's perfect for aerobic activity in cool weather. Fabric offers a UPF rating of 50+. Deep front zipper with a tall collar keeps frosty mornings from chilling your skin. Dropped hem increases rear coverage. Thumb loops keep sleeves in place when your arms are in motion. Ergonomic seam placement and stretchy fabric complements your natural movements. Reflective zipper and highlights increase visibility in dim light. REI Activestretch half-zip top features an athletic fit moves that with you and stays close to your body.