FF1 - ForceFlex® FF1 Series Lens Color:Silver Mirror The MC502 features a 2-way

The MC502 features a 2-way hi-vis lime material on the back with an exclusive TPR design that provides excellent coverage for back of hand protection

It is also touch screen friendly for use with phones

NOT intended for use as protection against ARC Flash or Flash Fire

and protection

FF1 - ForceFlex® FF1 Series Lens Color:Silver Mirror The MC502 features a 2-wayForceFlex FF1 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 FF1 safety glasses meet military MIL PRF 32432 clause 3. 5. 1. 1 for high velocity impact