Head rubber with Tri-Glide™ tensioning system
 Double-layer glasses ensure fog-free use
 The set includes three glasses: dark gray, transparent and light rust
 Wiley X ARC Rail Attachment System (RAS) for helmet use
 Low profile multi-functional frame
 T-SHELL™ ANTI SCRATCH protection on glasses
 FOIL™ ANTI-FOG protective layer
 The glasses block 100% of harmful UVA and UVB rays
 Unbreakable Selenite™ Polycarbonate glasses meet the highest standards
 Compliance with standards: ANSI Z87.1-2010, EN 166 B, MIL-PRF-32432(GL), US Federal OSHA 1910.133(b)(1)(i)
 Allows wearing of optical lenses (product code of additional element SP29X)
 NSN: 4240-22-629-0748