A super-cooling tech tee with stretch and sun protection, this soft and lightweight men’s fishing long sleeve sportsColumbia's industry-leading cooling technology, which reacts with your sweat to lower the material’s temperature and keep you cool during dynamic aerobic activity in the heat. Omni-Freeze ZERO™ sweat-activated super cooling Omni-Wick technology actively breathes and pulls moisture away from your skin Omni-Shade™ UPF 30 sun protection Antimicrobial treatment protects this product from bacterial growth Men's Columbia Long Sleeve PFG Zero Rules Tee