The 124th U.S. Open Omaha Long Sleeve is the polo shirt you know and love, but with long sleeves. Featuring the brrrº cooling fabric, this polo was designed to keep you dry and comfortable on the golf course and beyond. This classic four-button polo comes with a traditional spread collar and is available in a variety of colors. This is an officially licensed product from the 124th U.S. Open Championship.Proprietary Blend: 44% Cotton | 31% brrrº Polyester | 20% brrrº Nylon | 5% SpandexThis proprietary blend offers the best in cooling performance technology, all-day comfort and classic style. The cooling effects of brrrº are independently lab tested and verified, and will help you feel dry and comfortable when life brings the heat.About brrrº Technology:brrrº combines the power of natural cooling minerals, active wicking and rapid drying technologies that work together to create a Triple Chill Effect™ that instantly and continuously draws heat and moisture away from the skin.