88% POLYESTER, 12% SPANDEX. LIMITED QUANTITY AVAILABLE! WOMEN'S MID-LAYERS ARE VERSATILE PIECES THAT ALLOW THE PLAYER TO ADAPT TO CHANGING WEATHER CONDITIONS. THE FOUR-WAY STRETCH FABRIC HELPS KEEP YOUR CORE WARM WHILE ALLOWING FREE RANGE OF MOTION THROUGHOUT THE GOLF SWING. FJ LOGO ON BACK YOKE.