i guess according to their website, they are supposed to block ir with the actual lenses then have an visible and ir reflective tint from 10-15 feet away as shown here https://images.squarespace-cdn.com/content/v1/5721a8042b8ddeafecaa3e3f/1587013104676-MNTKYYZPYL0NIDPYGKXC/reflectacles-phantom-infrared-security-camera.gif?format=750w

do you know the name of the material?

about time