The PVS-7 MilSpec Goggle

The ATN/PVS7 is robust, dependable, high performance night vision goggle which is identical to the AN/PVS-7 model adopted as a standard issue to US Army ground troops. The PVS-7 is designed to assist viewing and provide reliable service in the most unfavorable conditions.
see:
http://www.nightvisionstore.com/ATN%20PVS7%20Goggle.htm