Wiley X APEL Spear Tactical Goggles Replacement Lenses - All of the APEL-approved meets the optical, environmental, and VO Ballistic impact requirements of the MIL-PRF-32432A performance specification: Military Combat Eye Protection Systems (MCEPS), products tested to these requirements ensure they will protect against the harshest of environments and shrapnel encountered on the battlefield. Shatterproof Selenite Polycarbonate T-Shell Lens coating resists scratching