Reply To: Duplicate product title

Hello,

1) If you want to keep title which is in the red box and delete the box with the green border then use the below css code in Theme Options >> Custom CSS:

h1.product_title.entry-title{
display:none;
}

Screenshot: https://jmp.sh/khdHSPt

In case if you want to delete the red box and keeps the green box title then use the below css in Theme Options >> Custom Css:

nav.woocommerce-breadcrumb{
display:none;
}

2) The template file of the product display page is:
wp-content\themes\woodmart\woocommerce>> single-product.php

Best Regards