COLUMBIA OMNI-WICK POLO HU COOL GREY: OMNI-WICK Technology: Moisture-wicking fabric moves sweat away from the skin to keep you dry and comfortable. Breathable & Lightweight: Designed for comfort during active wear, perfect for golf or casual outings. Durable & Performance-Driven: Ideal for outdoor activities with a focus on both style and functionality. OMNI-SHADE UPF 30 sun protection blocks harmful UV rays. Contrast fabric on inner placket adds stylish detail. 88% polyester/12% spandex