Shirts Women’s Ariat Sunstopper 2.0 1/4 Zip Baselayer 10039355 FFKO-EEOur popular Sunstopper base layer is back and better than ever with updated styling and exciting new colors. Same great performance features but now with a raglan cut sleeve for a flattering fit and breathable tech mesh paneling in all the places you need it most. Features AriatTEK for superior performance in any weather Moisture Movement Technology wicks away moisture from skin Sun Protection Fabric with UPF rating of 45 Mock collar with zip styling