Crews Forceflex Safety Glasses Patented mult-injection molding of the lens and frame Allows the frame to flex and fit faces from large to small Exclusive Duramass® scratch resistant coating Rugged polycarbonate lens filters 99.9% of harmful U.V. rays Dual purpose storage/cleaning bag Meets or exceeds the following certifications:ANSI Z87 , AS/NZS 1337.1,MIL – PRF – 31013 ForceFlex® technology incorporates a patented, multi-injection molding of the lens with a flexible Thermo Plastic Urethane (TPU) frame. Due to this construction, it can achieve a military ballistic level impact resistance at over 1000 feet per second. The TPU material allows the frame to flex and fit individual faces from large to small. All ForceFlex® styles meet military MIL-PRF-31013 clause 3.5.1.1 for high velocity impact protection and exceed ANSI Z87 .
