Our popular Sunstopper base layer is back and better than ever with updated styling and exciting newcolours. Same great performance features but now with a raglan-cut sleeve for a flattering fit and breathable tech mesh panelling in all the places you need it most. AriatTEK® for superior performance in any weather. Moisture Movement Technology wicks moisture away from skin. Sun Protection Fabric with UPF rating of 45. Breathable mesh panelling. Mock collar with 1/4 zip styling.