The Northwestern Omaha Polo features the brrr° cooling fabric for the dog days of summer. This classic three-button polo comes with a traditional spread collar and is available in arctic white, dart blue, wolf blue, maltese blue, and shepherd black as well as seasonal colors. Decorated with NU Wildcats artwork.Proprietary Blend: 44% Cotton | 31% brrr° Polyester | 20% brrr° Nylon | 5% SpandexThis proprietary blend offers the best in cooling performance technology, all-day comfort and classic style. The cooling effects of brrr° are independently lab tested and verified, and will help you feel dry and comfortable when life brings the heat.About brrr° Technology:brrr° 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.