400 × 400
Source:https://www.ebay.com/itm/254675279856
1620 × 1080
Source:https://shopperboard.com/Collarless-O-Neck-Button-Down-Shirt/product/21574543
657 × 450
Source:https://www.suitusa.com/tuxedos/19715
1000 × 586
Source:https://www.amazon.com/Sleeve-Casual-Fashion-Collarless-Pockets/dp/B0CJNXG9ZQ
4253 × 3190
Source:https://cheegs.com/en-gb/products/2-0-collarfree-future-short-sleeve-black
1001 × 1001
Source:https://s.click.aliexpress.com/deep_link.htm?aff_short_key\u003dUneMJZVf\u0026dl_target_url\u003dhttps%3A%2F%2Fja.aliexpress.com%2Fitem%2F1005006112004424.html%3F_randl_currency%3DJPY%26_randl_shipto%3DJP%26src%3Dgoogle
300 × 240
Source:https://www.mensusa.com/products.aspx?id\u003d17551
1600 × 1600
Source:https://www.walmart.com/ip/Feternal-Men-s-Linen-Long-sleeved-Casual-Shirt-Collarless-Standing-Collar-Summer-Top-mens-nbsp-dress-nbsp-shirts/2591708398
600 × 600
Source:https://www.amazon.com/Sleeve-Pocket-Guayabera-T-Shirts-Collarless/dp/B09Y8QL5K4
1089 × 400
Source:https://www.hockerty.com/en-us/men/suits/8601-blue-collarless-suit
