White, blue, black and so on. Octagonal hat, also known as the "Red Army Hat", the top of the hat is octagonal, you can choose white, blue, black, gray, pink, yellow, etc., so the color is the basic color, better with clothes. Octagonal cap modeling fashion simple, if the material is more rigid, then wear it also looks super stylish, decorative and practical collection together, with a good effect of modifying the face.