If you buy Wolmart theme, you can get one more taxonomy named Brands for products. This means that you can filter products not only categories but also brands.

If you install Wolmart Theme, Brands taxonomy is created in Products admin panel in left sidebar. When you click brands, then the panel is like this.

The method to add brands is same as categories.

After adding all brands, you can set brand for each product.

Then, you will show off product corresponding brand in single product page.

Also, you will visit brands archive page like this.