There are two files you need look around if you want to change your breadcrumb's appearance in WooCommerce. You'll find those files in your WooCommerce plugin directory:
- The first file:
/woocommerce/woocommerce-template.php
, this file contains function definition forwoocommerce_breadcrumb()
if ( ! function_exists( 'woocommerce_breadcrumb' ) ) {
/**
* Output the WooCommerce Breadcrumb