ZookShop includes an HTML template system which allows you to easily create your own theme, incorporating your own CSS/JS/etc. files.
With one click, you can download a theme as a Zip file, edit it locally, and upload it back online. Ideal if you're a Web Designer.
Ready for SEO
In addition to the HTML code, the products page URLs are customizable, meaning you can insert the keywords you need to improve your shop's ranking on search engines.
Use your own domain name
If you own a domain name, you can use it as the main address of your shop.
If a user visits your shop from a mobile device (iPhone, BlackBerry, etc.), it will automatically be displayed with an appropriate theme.
Of couse, this theme is completely editable, just like all the other themes.