Wilcox NVG Interface Shoe Adapter PVS-15 Black. This durable lightweight aluminum hard coated metal shoes easily integrate with the Wilcox line of NVG Mounting Systems and the metal construction facilitates in the operation of the NVGs on/off feature. Specifications for Wilcox NVG Interface Shoe Adapter: Manufacturer: Wilcox Color: Black Fabric/Material: Lightweight Aluminum Package Contents: Wilcox NVG Interface Shoe Adapter Wilcox 14006G01: NVG Interface Shoe Adapter PVS-15 Black