Wear-tested and ready to ride, this button-front shirt features VentTEK™ side panels for air flow and moisture-wicking technology. FeaturesAriatTEK® is designed for optimal comfort in any weatherGreater Arm Mobility™ lets you move freelyMoisture Movement Technology™ helps keep you dryVentTEK™ technology puts airflow where you need it most to keep you coolSun Protection Fabric™ gives you UV coverage Hidden microfiber lens cloth on shirt tailZippered chest pocketSize & FitRelaxed fitModel is 5'7.5" wearing size MediumConsumers say this fits: True to size. MaterialsMesh yoke liningTek woven48% Polyester, 44% Nylon, 8% SpandexImported