The Columbia Men's Alpine Chill™ T-Shirt features UV-blocking fabric and sweat-activated cooling tech, keeping you dry and cool all day, even in the hottest weather.Key FeaturesSmooth, lightweight fabric offers comfortOmni-Freeze ZERO™ technology features blue rings that react with your sweat to lower the temperature of the fabric so that you feel coolOmni-Wick™ technology absorbs sweat and moisture to keep you dryOmni-Shade™ technology offers UPF 50 sun protectionCrewneck for ease of wearThis Columbia men's T-shirt has short sleevesMore DetailsSignature Columbia logo makes a statementThis men's T-shirt pairs perfectly with shorts and pantsMaterial composition: 100% PolyesterSize shown: Medium| Model height: 180cm