Material Design Theme
http://themeforest.net/item/zephyr-material-design-theme/9865647 This is an affiliate link FYI.
Frameworks · WordPress Theme
Get access to data on 33,912 websites that are Zephyr Customers. We know of 15,242 live websites using Zephyr and an additional 18,670 sites that used Zephyr historically and 7,291 websites in the United States.
Get a list of 33,912 websites using Zephyr which includes location information, hosting data, contact details, 15,242 currently live websites and an additional 5,045 domains that redirect to sites in this list. 18,670 sites that used this technology previously and 7,291 websites in the United States currently using Zephyr.