Our 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 panelling in all the places you need it most. -AriatTEK® for superior performance in any weather. -Moisture Movement Technology™ wicks away moisture from skin. -ClimateTEK for dynamic and temperature regulated cooling. -Sun Protection Fabric™ with UPF rating of 45. -Mock collar with ¼ zip styling. -Lightweight pique knit. -Breathable mesh panelling. -94% Recycled Polyester / 6% Spandex.