Columbia Men&#39;s Tamiami II Short Sleeve Shirt (Big) 100% Polyester ADVANCED TECHNOLOGY: Columbia's PFG Tamiami Short Sleeve shirt features Omni-Shade UPF 40 fabric for maxium protection against the sun and Omni-Wick technology that pulls moisture away to keep you cool and dry. HANDY FEATURES: This men's Columbia PFG Tamiami Short Sleeve fishing shirt features two handy chest pockets for conveinent storing and roll-up sleeves for extra hot days out on the water. COMFORT & BREATHABILITY: This short sleeve fishing shirt features a mesh-lined vent at back for the ultimate breathability and comfort. CLASSIC FIT: With a modern classic fit, Columbia's PFG Tamiami II Short Sleeve shirt is ultra-light and comfortable enough for maxium activity. Columbia PFG Tamiami II Short Sleeve Shirt wears perfect for long days out on the water. Omni-Shade UPF 40 sun protection^Omni-Wick moisture management^Quick dry fabric^Vented in back, shoulders