Current Sitemap structure:

<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
        xmlns:image="http://www.google.com/schemas/sitemap-image/1.1">

<url> 
    <loc>[product_url]</loc> 
    <image:image>                                                                    Lists every product In Stock
    <image:loc>[picture_url]</image:loc>                                             + Image
    </image:image>
</url>

</urlset>

================================================================================

New Sitemap structure?

<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
  xmlns:xhtml="http://www.w3.org/1999/xhtml">
  <url>
    <loc>https://www.4footyfans.com/</loc>
    <image:image>
    <image:loc>https://www.4footyfans.com/</image:loc>
    </image:image>
    <xhtml:link 
                 rel="alternate"
                 hreflang="de"
                 href="https://de.4footyfans.com/"
                 />
    <xhtml:link 
                 rel="alternate"
                 hreflang="de-ch"
                 href="https://ch.4footyfans.com/"
                 />
    <xhtml:link 
                 rel="alternate"
                 hreflang="en"
                 href="https://www.4footyfans.com/"
                 />
  </url>
  
  <url>
    <loc>https://de.4footyfans.com/</loc>
    <image:image>
    <image:loc>https://de.4footyfans.com/</image:loc>
    </image:image>
    <xhtml:link 
                 rel="alternate"
                 hreflang="en"
                 href="https://www.4footyfans.com/"
                 />
     <xhtml:link 
                 rel="alternate"
                 hreflang="de-ch"
                 href="https://ch.4footyfans.com/"
                 />
     <xhtml:link 
                 rel="alternate"
                 hreflang="de"
                 href="https://de.4footyfans.com/"
                 />
  </url>
  
  <url>
    <loc>https://ch.4footyfans.com/</loc>
    <image:image>
    <image:loc>https://ch.4footyfans.com/</image:loc>
    </image:image>
     <xhtml:link 
                 rel="alternate"
                 hreflang="de"
                 href="https://de.4footyfans.com/"
                 />
     <xhtml:link 
                 rel="alternate"
                 hreflang="en"
                 href="https://www.4footyfans.com/"
                 />
     <xhtml:link 
                 rel="alternate"
                 hreflang="de-ch"
                 href="https://ch.4footyfans.com/"
                 />
  </url>
  
</urlset>