A classic Greyson quarter-zip made to perform on the gym and the golf course. The Guide Performance Quarter Zip is constructed with a blended fabric that offers plenty of stretch without sacrificing look and feel. This quarter zip is the perfect combination of a high performing and lightweight workout layer and a classic daily essential. This proprietary blend offers the best in cooling performance technology, and all-day comfort. The cooling effects of brrr° are independently lab tested and verified, and will help you feel dry and comfortable when life brings the heat.