FootJoy Woven Yoke Zip Neck Golf Sweater FJ Mid-Layers are versatile pieces that allow the player to adapt to changing weather conditions. The four-way stretch material helps keep your core warm while allowing free range of motion throughout the golf swing. The half-zip construction allows for easy on/off, so you can adapt quickly as the weather changes around you. FEATURES AT A GLANCE Flat back rib fabric with lightweight fabric overlay 4-way stretch fabric for unrestricted range of movement 90% Polyester : 10% Spandex