800 × 800
Source:https://www.nimble-made.com/blogs/news/smart-casual-dress-code-for-men
353 × 600
Source:https://thedarkknot.com/blogs/suitupdressup/how-to-dress-smart-casual-for-men-mens-smart-casual-guide
720 × 1280
Source:https://m.youtube.com/watch?v\u003diVmrXEc3ZSQ
600 × 900
Source:https://manofmany.com/fashion/mens-fashion-advice/guide-mens-smart-casual-dress-code
1200 × 675
Source:https://www.fashionbeans.com/article/mens-smart-casual-dress-guide/
568 × 800
Source:https://www.hockerty.com/en-us/blog/business-casual-for-men
563 × 1000
Source:https://www.suitsexpert.com/blog/smart-casual-dress-code/
1114 × 901
Source:https://www.opumo.com/magazine/smart-casual-dress-code-for-men/
1636 × 1200
Source:https://stateandliberty.com/blogs/news/smart-casual-dress-code-men
620 × 1100
Source:https://www.hollomen.com/blogs/hollo-men-style-blog/understanding-smart-casual-wear-for-men-a-modern-way-of-dressing