Mastership is a free theme for WordPress created by sharkthemes.
Mastership is a elegantly crafted multipurpose theme, especially for business websites. It is blazingly fast, extremely light-weight, search engine friendly and very easy to use. Mastership theme has wide list of customizable features including front page customizable sections with customizer api and widgets, wide and boxed layout and many more options. It comes with cross-browser compatibility, mobile friendly design and responsive features.
(Description "Mastership" Theme from wordpress.org)
You can download Mastership for free via the provided download link and include it into your themes folder of your WordPress installation. Also you can directly search for it in the WordPress admin interface in the themes section and install and activate it from there.
More information, screenshots and reviews of Mastership Theme can be found here.