The main color of casual style is light gray sweater with unique neckline. You can use a chicken collar if you are fat. If you are thin, try a round neck, but it depends on his face. Pants are not suitable for too light colors, and they feel top-heavy Jeans or cotton fabrics, such as fine velvet, are all shaped. Although bright-colored clothes are popular this year, bright-colored pants always feel less stable, like hair salons can use coats with raw edges. Or a leisure suit sleeve with better texture and slightly photosensitive fabric. If you can, you can also try a long woolen coat with a simple scarf. For shoes, casual shoes or casual leather shoes are good. The color on them should not be too fancy, and it is best to have some shiny details ~