600 × 600
Source:https://www.webstaurantstore.com/genuine-grip-9550-mens-size-11-5-wide-width-black-slip-on-non-slip-dress-shoe/755M9550115W.html
350 × 350
Source:https://www.jcpenney.com/p/stacy-adams-blake-mens-leather-moc-toe-slip-on-dress-shoes/pp5002370232?pTmplType\u003dregular
800 × 1000
Source:https://www.amedeoexclusive.com/products/premium-black-loafers-for-men-designer-slip-on-casual-dress-shoes-luxury-leather
358 × 500
Source:https://www.tuxedosonline.com/globe-black-slip-on-shoe-6705-black.html/
1000 × 1000
Source:https://www.nashvilleshoewarehouse.com/products/dockers-lawton-mens-slip-resistant-dress-loafer
900 × 1364
Source:https://www.amazon.com/Mofri-Mens-Dress-Shoes-Loafers/dp/B0B5TB13R7
768 × 768
Source:https://www.walmart.com/ip/Cathalem-Fashion-Summer-And-Autumn-Men-Leather-Shoes-Low-Heeled-Pointed-Toe-Slip-On-Business-Leather-Dress-Shoes-for-Men-Slip-on-Black-8/2694963436
488 × 488
Source:https://www.target.com/p/alpine-swiss-mens-dress-shoes-black-leather-lined-slip-on-loafers-13-m-us/-/A-88037519
620 × 620
Source:https://www.kohls.com/product/prd-5510537/apt-9-kingman-mens-slip-on-dress-shoes.jsp
2048 × 2048
Source:https://www.libertyzeno.com/products/ralph-mens-synthetic-comfortable-slip-on-casual-shoes