630 × 810
Source:https://propercloth.com/reference/dress-shirt-collar-styles/
1080 × 1080
Source:https://lanieri.com/blog/en/custom-dress-shirt-guide-collar-styles/
636 × 1000
Source:https://www.menshealth.com/style/g19535366/shirt-collars-every-man-should-know/
750 × 750
Source:https://bespokeunit.com/suits/shirts/collars/
400 × 600
Source:https://www.hughandcrye.com/pages/dress-shirt-collars
630 × 810
Source:https://propercloth.com/reference/dress-shirt-collar-styles/
364 × 500
Source:https://www.permanentstyle.com/2020/08/the-guide-to-shirt-collars-and-what-suits-you.html
1280 × 1024
Source:https://www.alynn.com/alynn-aiden-slim-fit-white-classic-fit-dress-shirt
600 × 1206
Source:https://hespokestyle.com/dress-shirt-collars-guide/
333 × 500
Source:https://www.permanentstyle.com/2020/08/the-guide-to-shirt-collars-and-what-suits-you.html
