This is a stress-free men's setup suit with a moderate stretch. Compared to a typical formal suit, it's lightweight, less tiring, and easy to move in. It's waterproof and wrinkle-resistant, so maintenance can be done at home. The waist is elastic and can be adjusted with a drawstring or a belt. The zipper is a reliable YKK brand. Please iron it according to the image when shipped, as there will be creases. If you wish, we can ship it after ironing, but please note that creases may still occur during shipping. Color: Navy (leaning towards black) Size: M (see images for details)