The Columbia Men's Omni-Freeze Zero™ Rules T-Shirt keeps you focused with stretch fabric, sweat-activated cooling tech, and built-in sun protection for peak performance in the heat.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 30 sun protectionCrewneck for ease of wearThis Columbia men's T-shirt has short sleevesMore DetailsColumbia graphic and logo make a statementThis men's T-shirt pairs perfectly with shorts and pantsSlim fitMaterial composition: 100% PolyesterSize shown: Medium| Model height: 180cm