1200 × 1200
Source:https://milliondollarcollar.com/blogs/news/unlocking-the-mystery-discover-your-ideal-dress-shirt-size
720 × 720
Source:https://www.facebook.com/theshirtrack1/videos/collar-size-measurements/1024157658044525/
860 × 482
Source:https://www.wardrobeessentialist.com/post/dress-shirt-measurements
1200 × 1200
Source:https://milliondollarcollar.com/blogs/news/the-ultimate-guide-to-dress-shirt-sizing-how-to-determine-your-ideal-fit
720 × 1280
Source:https://www.youtube.com/watch?v\u003dlJRDN41L10s
692 × 800
Source:https://toddshelton.com/blog/shirts/how-to-measure-mens-shirts
630 × 1200
Source:https://www.apparelnbags.com/dress-shirts/how-to-measure-dress-shirts.htm
1247 × 2000
Source:https://www.suitsexpert.com/blog/how-to-measure-for-dress-shirt/
480 × 480
Source:https://www.lorenzouomo.com/pages/size-chart
408 × 502
Source:https://www.ratioclothing.com/help/measure-a-shirt