450 × 1000
Source:https://www.fashionbeans.com/article/the-new-rules-of-formal-attire/
622 × 830
Source:https://cnalifestyle.channelnewsasia.com/style/men-dress-code-what-to-wear-black-tie-cocktail-smart-casual-220451
750 × 500
Source:https://mensflair.com/semi-formal-attire/
900 × 1200
Source:https://manofmany.com/fashion/mens-fashion-advice/difference-between-formal-and-semi-formal-dress-code
1440 × 2560
Source:https://www.gentlemansgazette.com/cocktail-attire-for-men/
628 × 1200
Source:https://isuit.it/en/blog/semi-formal-attire-for-men-a-comprehensive-guide
720 × 1280
Source:https://www.youtube.com/watch?v\u003dDwZNCRxmiLM
1876 × 1536
Source:https://suitsupply.com/en-us/journal/formal-wedding-attire-for-men.html
607 × 1024
Source:https://www.gazman.com.au/blogs/journal/common-types-of-dress-codes-occasions
400 × 800
Source:https://www.thetrendspotter.net/mens-guide-to-wearing-semi-formal-attire/