720 × 1280
Source:https://www.youtube.com/watch?v\u003dU0tQrBdVoD0
1350 × 1080
Source:https://www.suitsexpert.com/blog/semi-formal-dress-code/
700 × 1100
Source:https://www.irreverentgent.com/semi-formal-attire-for-men/
1164 × 750
Source:https://www.beginningboutique.com/products/freesia-formal-dress-ice-blue
1280 × 1280
Source:https://greenweddingshoes.com/semi-formal-wedding-attire/
502 × 298
Source:https://lifestylebyps.com/blogs/mens-fashion-blog/11-dashing-formal-outfit-ideas-for-men
550 × 800
Source:https://wonder-wardrobe.com/blog/business-formal-wardrobe
1024 × 819
Source:https://urbanmenoutfits.com/dashing-formal-outfit-ideas-for-stylish-men/
1600 × 1200
Source:https://www.marthastewart.com/7871616/wedding-guest-attire
752 × 602
Source:https://www.quora.com/What-is-the-best-formal-outfit-for-men