One side blank black Color simple design, another side various of different fashion printed design of your choice. Double side is wearable which means you will have two types of hat at the same time. Brim is perfect for shade , does not block too much view. Unisex design,perfect for women , men ,boys,girls. One size fits most ( Approx. circumference: 21.6-22.8 inch; brim: 2.7 inch; crown: 3.5 inch)