1554 × 1500
Source:https://www.blanklabel.com/blog/how-to-wear-dress-shirts-casually
350 × 350
Source:https://www.amazon.com/COOFANDY-Fashion-Dress-Shirt-Casual/dp/B0188GTUXK
768 × 768
Source:https://www.walmart.com/ip/Alimens-Gentle-Mens-Long-Sleeve-Stretch-Dress-Shirts-Casual-Button-Down-Shirt/324889376
1000 × 1000
Source:https://www.ebay.com/itm/403736464406
768 × 768
Source:https://www.walmart.com/ip/Black-Dress-Shirts-For-Men-Mens-Fashion-Casual-Plaid-Print-Lapel-Button-Long-Sleeve-Shirt/3542011876
1000 × 744
Source:https://www.amazon.com/Alimens-Gentle-Shirts-Stretch-Wrinkle-Free/dp/B0BRWD2S51
768 × 768
Source:https://www.walmart.com/ip/YYDGH-Men-s-Muscle-Dress-Shirts-Slim-Fit-Stretch-Long-Sleeve-Casual-Button-Down-Shirt-Army-Green-3XL/2860835097
1000 × 669
Source:https://www.amazon.com/LOCALMODE-Cotton-Business-Casual-Sleeve/dp/B07P9WFCLZ
500 × 612
Source:https://propercloth.com/reference/tucked-dress-shirts-vs-untucked-casual-shirts/
1001 × 1001
Source:https://www.ebay.com/itm/385653701929