Hello,

In order to settle the issue, navigate to Appearance – > Customize -> WooCommerce -> Product Image and increase the width of the main page. Now it is 300. http://prntscr.com/p7n5ux Increase to 600 or 800px or more.

https://xtemos.com/docs/woodmart/faq-guides/image-size-content-alignment-product-grid/

Best Regards