Polo Ralph Lauren 1/4 Zip Mock Neck Performance Jersey Stretch Dark Green. New without tags The Polo Ralph Lauren 1/4 Zip Mock Neck Performance Jersey in Dark Green is a versatile activewear top for men. Made from a blend of polyester and spandex, this pullover jersey features a solid pattern with a zip closure, mock neck neckline, and a stretch fabric that provides flexibility and comfort. Ideal for various activities like walking, cycling, golf, baseball, cross training, CrossFit, and running, this lightweight jersey from Polo Ralph Lauren is a stylish and functional addition to any man's wardrobe.