The Lined Performance Sweater achieves the perfect balance between performance, protection, and stylish comfort. Designed for easy on/off wear as conditions change on the course. The extended half-zip construction allows for easy access wear during changing weather conditions. A premium windproof liner keeps you warm in windy conditions. This fine fabric provides warmth and comfort while allowing full range of motion during the golf swing. 100% Wool Shell/ 100% Polyester Liner.