FF1 - ForceFlex® FF1 Series Performance Option:Standard Scratch Resistant and take up snaps at

and take up snaps at the ankles and waist

Designed to dominate your day with optimal performance

shirred elastic back for enhanced fit and safety

and comfortable

FF1 - ForceFlex® FF1 Series Performance Option:Standard Scratch Resistant and take up snaps atForceFlex 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