he aerodynamic Shatterproof polycarbonate wrap around lenses gives excellent peripheral vision whilst offering the utmost protection from both flying objects and the suns harmful rays. The lenses are also decentred to ensure the utmost optical quality. The frame also wraps around to ensure they stay put. Shatterproof Polycarbonate Lenses are standard as with all our range but these glasses exceed MIL-PRF-32432 a stringent ballistic safety standard for military glasses in the U.S which is 7x more stringent than the standard for normally safety glasses. A Free micro-fibre pouch is also included for safe storage and lens cleaning.