With its pack of performance features, the Sunstopper baselayer keeps our riders cool, crisp, and collected in the saddle. Breathable mesh panels are paired with enhanced cooling technology while odor control and UPF 50+ sun protection fabric do their part to keep you top of the class. Sunstopper 2.0 Team 14 Zip Baselayer Product Features : AriatTEK® is designed for optimal comfort in any weather, with built-in performance features that adapt to changing conditionsClimateTEK™ dynamically responds to your body temperature to keep you cool when things heat upSun Protection Fabric™ helps block harmful UV rays, keeping you covered and comfortable during long days outdoorsFreshTEK™ odor control helps keep you feeling fresh through long hours of wear, Breathable mesh paneling enhances airflow to help keep you cool and comfortable, Quarter-zip frontMock collar Women's Sunstopper 2.0 Team 14 Zip Baselayer, Size: XS by Ariat