650 × 525
Source:https://www.brooksbrothers.com/mens/dress-shirts
360 × 480
Source:https://www.gentlemansgazette.com/dress-shirt-guide-making-hallmarks-quality/
518 × 531
Source:https://www.businessshirtsplus.com.au/mens-shirt-size-guide-van-heusen.php
381 × 500
Source:https://www.makrom.com/how-to-measure-a-dress-shirt
640 × 640
Source:https://www.aliexpress.com/item/1005003326133066.html
203 × 390
Source:https://www.buddshirts.co.uk/pages/sizing-guide
424 × 350
Source:https://frenchcrown.in/blogs/news/mens-dress-shirt-sizes
1372 × 1372
Source:https://stateandliberty.com/
700 × 1024
Source:https://www.realmenrealstyle.com/proper-dress-shirt-fit/
1212 × 1250
Source:https://www.haggar.com/sample-sizechart.html