The JK Collection by Old Smoke Kentucky Derby floral Print Button Down is a men's shirt in size L featuring a floral pattern with a green color. Made of a blend of polyester and spandex, this short sleeve shirt is ideal for casual or travel occasions during the summer, fall, and spring seasons. With a regular fit and button-down collar style, this shirt combines a comfortable and stylish look for the modern man who appreciates a mix of flower and horse themes in his wardrobe.flower says the first Saturday in may