// addd custom  text with woocommerce  single  product or icon you can add by using this below function
function sv_add_text_above_wc_shop_image() {

    echo '<h6 style="text-align: center;">Some sample text</h6>';
}
add_action( 'woocommerce_before_shop_loop_item_title', 'sv_add_text_above_wc_shop_image', 9 );
// addd custom  text with woocommerce  single  product or icon you can add by using this below function