Materials: 77% Polyester, 20% Rayon, 3% Spandex About the product: This blacktop is made of  77% Polyester, 20% Rayon, 3% Spandex materials. Its slim fit with a round neckline. This vest is lined with its exterior having a distressed design giving it a unique look. On the sides, this top feature a patchwork lace-up design to assist you to fit to the correct size. Slim Fit Side Lacing Distressed Black Vest