Дополнительное свойство магазина.

<shop_group id="608">
            <shop_id>3</shop_id>
            <siteuser_id>0</siteuser_id>
            <parent_id>598</parent_id>
            <shortcut_id>0</shortcut_id>
            <name>Юбки</name>
            <description></description>
            <image_large></image_large>
            <image_small></image_small>
            <sorting>20</sorting>
            <indexing>1</indexing>
            <subgroups_count>0</subgroups_count>
            <subgroups_total_count>0</subgroups_total_count>
            <items_count>0</items_count>
            <items_total_count>0</items_total_count>
            <active>1</active>
            <siteuser_group_id>-1</siteuser_group_id>
            <path>skirts</path>
            <seo_title></seo_title>
            <seo_description></seo_description>
            <seo_keywords></seo_keywords>
            <image_large_width></image_large_width>
            <image_large_height></image_large_height>
            <image_small_width></image_small_width>
            <image_small_height></image_small_height>
            <guid>B9B5FF16-B2A6-1C24-B4A4-21FB62E76607</guid>
            <url>/shop/clothes/woman/skirts/</url>
            <dir>/upload/shop_3/6/0/8/group_608/</dir>
         </shop_group>

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE xsl:stylesheet SYSTEM "lang://344">
<xsl:stylesheet version="1.0"
   xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
   xmlns:hostcms="http://www.hostcms.ru/"
   exclude-result-prefixes="hostcms">
   <xsl:output xmlns="http://www.w3.org/TR/xhtml1/strict" doctype-public="-//W3C//DTD XHTML 1.0 Strict//EN" encoding="utf-8" indent="yes" method="html" omit-xml-declaration="no" version="1.0" media-type="text/xml"/>
   
   <!-- МагазинГруппыТоваровМеню -->
   
   <xsl:template match="/shop">
      <div class="cd-dropdown-wrapper">
         <a class="cd-dropdown-trigger" href="#">Каталог</a>
         
         <nav class="cd-dropdown">
            <h2>Каталог</h2>
            <a href="#0" class="cd-close">Закрыть</a>
            
            <ul class="cd-dropdown-content">
               <xsl:apply-templates select="shop_group" />
            </ul>
         </nav>
      </div>
   </xsl:template>
   
   <xsl:template match="shop_group">
      <li>
         <xsl:variable name="hasChildren" select="count(shop_group)" />
         <xsl:if test="$hasChildren">
            <xsl:attribute name="class">has-children</xsl:attribute>
         </xsl:if>
         
         <a href="{url}">
            <img src="{dir}{property_value[tag_name='icon']/file_small}"/>
            
            <xsl:value-of select="name"/>
         </a>
         
         <xsl:if test="$hasChildren">
            <ul>
               <xsl:attribute name="class"><xsl:choose>
                     <!-- Second Level -->
                     <xsl:when test="parent_id = 0">cd-secondary-dropdown is-hidden</xsl:when>
                     <!-- Another Levels -->
                     <xsl:otherwise>is-hidden</xsl:otherwise>
               </xsl:choose></xsl:attribute>
               
            <li class="go-back"><a href="#0">Назад</a></li>
               
               <xsl:apply-templates select="shop_group" />
            </ul>
         </xsl:if>
      </li>
   </xsl:template>
</xsl:stylesheet>

<xsl:for-each select="property_value[tag_name='icon']">
               <img src="{dir}{property_value[tag_name='icon']/file_small}"/>
</xsl:for-each>

<xsl:if test="property_value[tag_name='icon']/file_small">
               <img src="{dir}{property_value[tag_name='icon']/file_small}"/>
</xsl:if>