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 32,413 websites that are Zephyr Customers. We know of 13,612 live websites using Zephyr and an additional 18,801 sites that used Zephyr historically and 6,587 websites in the United States.
Get a list of 32,413 websites using Zephyr which includes location information, hosting data, contact details, 13,612 currently live websites and an additional 5,287 domains that redirect to sites in this list. 18,801 sites that used this technology previously and 6,587 websites in the United States currently using Zephyr.