A sun shirt like no other. Beloved by riders everywhere, our Sunstopper base layers deliver more than UPF protection. Innovated with cooling, moisture-wicking, and odor-fighting technologies, they're crafted from a soft fabric that keeps you looking tidy from sunup to sundown. We even added mesh at each underarm for maximum breathability without sacrificing the coverage you need on warm, sunny days.

• Slim fit through the body, with enough length for tucking
• AriatTEK® is designed for optimal comfort in any weather
• ClimateTEK™ dynamically responds to your body temperature to keep you cool when things heat up
• FreshTEK™ sustainable odor-resistance
• Sun Protection Fabric™ gives you UV coverage
• Stand collar with quarter-zip styling
• Lightweight pique knit
• UPF 50
• 94% Recycled Polyester, 6% Elastane
• Imported