/products/widget-A/in/blue
/products/widget-A/in/red
/products/widget-B/in/blue
/products/widget-B/in/red

{exp:channel:entries
    channel="products"
    disable="member_data|pagination"
    dynamic="no"
    category="{segment_4_category_id}"
    url_title="{segment_2}"
    limit="1"
}
    <h1>{title}</h1>
{/exp:channel:entries}