The TB1 series offers distinctive eyewear protection. This sleek modern and stylish lightweight design makes this a very attractive option that will be worn and keep workers safe. The TB1 meets or exceeds ANSI Z87+ and meets military MIL-PRF-31013 clause 220.127.116.11 for high velocity impact protection. Look great while staying safe in the TB1 eyewear.
High velocity impact safety glass test method is performed by shooting a 1/4" steel ball at a speed of 150 feet per second aimed at the center of the lens. The result is a Pass or Fail which determines that a lens must not chip, break, or crack and it must maintain its original position in the frame.
MIL - PRF - 31013
Military ballistic impact standard which passes a 0.15 caliber, 5.8 grain, projectile at a velocity of 640 to 660
feet per second #SpecialForces #USA . For other items meeting MIL-PRF-31013 standards, Click Here