The clothes that come under this category are similar to the formal ones. However, this attire has certain characteristics of their own and the subtle difference between formal and semi formal is said to be the flexible nature of the latter.
Hence, to ensure that people do not feel left out from the rest of the group because of lack of information, it is crucial that everyone knows about this dressing style in detail.
Trends for Men
The color of the evening event should be black, however for the day event, it will be best to wear light colors, like blue, yellow, and even pink. The fabric used should include cashmere, wool, gabardine, and polyester
Also, clothing that have vertical stripes or some other subtle patters are accepted. Teaming the attire with a silk scarf and cuff links will also be a good idea and will be a perfect attire for a wedding.
Trends for Women
Here, the fabric that is used for the clothing plays a crucial role. For instance, women's clothes should be made of materials, like cashmere, silk, polyester, velvet, velour, rayon, etc. Also, if you are opting for a dress suit, the length of the dress should be kept in mind.
Hope this information has helped you in understanding the meaning of semi formal dressing style. However, there are certain etiquette to be followed for such events, try to come up with your own style of dressing, which caters to the rules, but still looks unique.