Temperatures are bound to shift as you ride, and this ultra-breathable base layer takes aim at that everyday athletic challenge. Designed with innovative cooling fabric and strategically placed perforated paneling, the Breathe base layer enhances your comfort and resilience in the saddle. Breathe 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 upMoisture Movement Technology™ helps wick moisture away from the skin to keep you dry and comfortableSun 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, Perforated panels enhance airflow to help keep you cool and comfortable, Stand collar with quarter-zip front Women's Breathe 14 Zip Baselayer in Basil, Size: XS by Ariat