Stay active and stylish with the Calvin Klein Women's Performance Half-Zip Vest. This vest is made from a blend of polyester and spandex, providing a comfortable and stretchy fit. The half-zip closure allows for easy on and off, while the moisture-wicking fabric keeps you dry and comfortable during workouts. The vest also features a mock neck for added warmth and a zippered pocket to keep your essentials secure. Whether you're hitting the gym or going for a jog, this vest is a practical and fashionable choice.