Stay cool, dry, and stylish in the Columbia Tamiami II Long Sleeve Shirt. Its Omni-Wick technology wicks away moisture to keep you comfortable, while the Omni Shade UPF 40 protects you from the sun. The antimicrobial treatment prevents bacterial growth and the back vent provides extra breathability. With its roll-up sleeves and lightweight fabric, this shirt is perfect for any adventure. Made from100% Polyester Ripstop.