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 31,341 websites that are Zephyr Customers. We know of 12,657 live websites using Zephyr and an additional 18,684 sites that used Zephyr historically and 6,208 websites in the United States.
Get a list of 31,341 websites using Zephyr which includes location information, hosting data, contact details, 12,657 currently live websites and an additional 5,312 domains that redirect to sites in this list. 18,684 sites that used this technology previously and 6,208 websites in the United States currently using Zephyr.