content-product_cat.php

<?php
/**
 * The template for displaying product category thumbnails within loops.
 *
 * Override this template by copying it to yourtheme/woocommerce/content-product_cat.php
 *
 * @author      WooThemes
 * @package     WooCommerce/Templates
 * @version     1.6.4
 */

if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly

global $woocommerce_loop;

// Store loop count we're currently on
if ( empty( $woocommerce_loop['loop'] ) )
    $woocommerce_loop['loop'] = 0;

// Store column count for displaying the grid
if ( empty( $woocommerce_loop['columns'] ) )
    $woocommerce_loop['columns'] = apply_filters( 'loop_shop_columns', 4 );

// Increase loop count
$woocommerce_loop['loop']++;
?>
<li class="product-category product<?php
    if ( ( $woocommerce_loop['loop'] - 1 ) % $woocommerce_loop['columns'] == 0 || $woocommerce_loop['columns'] == 1 )
        echo ' first';
    if ( $woocommerce_loop['loop'] % $woocommerce_loop['columns'] == 0 )
        echo ' last';
    ?>">
    <div class="inbox image-link">

        <?php do_action( 'woocommerce_before_subcategory', $category ); ?>

        <a href="<?php echo get_term_link( $category->slug, 'product_cat' ); ?>">

            <div class="overlay-image"></div>
            <div class="overlay-title">
                <span class="hover-title-text">
                    <?php
                    echo $category->name;

                    /*
                    if ( $category->count > 0 )
                    echo apply_filters( 'woocommerce_subcategory_count_html', ' <mark class="count">(' . $category->count . ')</mark>', $category );
                    */
                    ?>
                </span>
            </div>

            <?php
            /**
             * woocommerce_before_subcategory_title hook
             *
             * @hooked woocommerce_subcategory_thumbnail - 10
             */
            do_action( 'woocommerce_before_subcategory_title', $category );
            ?>

            <h3>
                <?php
                echo $category->name;

                /*
                if ( $category->count > 0 )
                    echo apply_filters( 'woocommerce_subcategory_count_html', ' <mark class="count">(' . $category->count . ')</mark>', $category );
                */

                ?>
            </h3>

            <?php
            /**
             * woocommerce_after_subcategory_title hook
             */
            do_action( 'woocommerce_after_subcategory_title', $category );
            ?>
        </a>

        <?php do_action( 'woocommerce_after_subcategory', $category ); ?>

    </div>
</li>