A safety strap can be added to the handles
  
RX readiness
  
Replaceable lenses, no tools required
  
In addition, it is possible to buy different lenses: dark gray, transparent, light rust, polarized red mirror glasses
  
T-SHELL™ ANTI SCRATCH protection on glasses
  
FOIL™ ANTI-FOG protective layer
  
 FILTER 8™ polarized glasses (15% transmission)
  

  
The lenses block 100% of harmful UVA and UVB rays
  
Unbreakable Selenite™ Polycarbonate lenses meet the highest standards
  
Compliance with standards: MIL-PRF-32432(GL), ANSI Z87.1-2010, EN 166 F