800 × 800
Source:https://www.nimble-made.com/blogs/news/smart-casual-dress-code-for-men
1636 × 1200
Source:https://stateandliberty.com/blogs/news/smart-casual-dress-code-men
1028 × 656
Source:https://www.politix.com.au/mens-style-edit/Smart-casual-guide-for-men
1500 × 1200
Source:https://luxe.digital/lifestyle/style/men-smart-casual-dress-code-guide/
566 × 1080
Source:https://www.menswearr.com/blogs/fashion-guides/mastering-the-art-of-mens-smart-casual-dress-code
800 × 1200
Source:https://stateandliberty.com/blogs/news/smart-casual-dress-code-men
1200 × 800
Source:https://www.thefashionisto.com/smart-casual-dress-code-men/
568 × 800
Source:https://www.hockerty.com/en-us/blog/business-casual-for-men
1260 × 2400
Source:https://effortlessgent.com/how-to-dress-business-casual/
4500 × 4500
Source:https://www.salters-rugby.co.uk/blog/articles/dress-codes-for-men-guide/