With an athletic fit for enhanced performance, this active quarter-zip perfectly combines a high-performing workout layer with an everyday essential. Made from a new blend of brrrº fabric, it is proven to keep you comfortable and wick moisture away throughout the day. Finished with limited edition artwork inspired by Harbor Springs, a quaint town in Northern Michigan where Greyson has established its newest store. 94% Nylon | 6% Spandex This proprietary blend offers the best in cooling performance technology, and all-day comfort. 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.