500 × 500
Source:https://www.ebay.com/itm/New-Mens-Hidden-Button-French-Cuff-Mandarin-Collar-Collarless-Dress-Shirts-01NF-/272046151602?_ul\u003dIL
727 × 450
Source:https://emensuits.com/products/banded-collar-less-mandarin-shirts-walking-suits
625 × 736
Source:https://www.pinterest.com/pin/vintage-clothing-from-morning-glorious-in-2023--51650726969092380/
677 × 453
Source:https://www.reddit.com/r/mensfashion/comments/12ot3n5/collarless_shirt_with_suit/
1600 × 1600
Source:https://www.walmart.com/ip/CBGELRT-Mens-Shirts-Classic-Black-Dress-Men-Male-Autumn-Winter-Solid-Color-Cotton-Linen-Casual-Collarless-Beach-Long-Sleeve-Outdoor-Vacation-Simple-S/2414127045
700 × 700
Source:https://celticranch.com/products/collarless-grandfather-shirt
1600 × 1142
Source:https://www.ebay.com/itm/254218219728
1000 × 807
Source:https://www.amazon.com/usnsm-Shirts-Cotton-Texture-Collarless/dp/B0B49Z2R4D
1200 × 1500
Source:https://cheegs.com/blogs/blog/are-cheegs-collarless-dress-shirts-suitable-for-formal-occasions
768 × 768
Source:https://www.walmart.com/ip/KaLI-store-Men-s-Dress-Shirts-Mens-Linen-Shirt-Long-Sleeve-Regular-Fit-Button-Down-Shirt-Casual-Beach-Collarless-Shirts-Khaki-L/2374709682