These goggles are wounderfull, the caring case has a belt loop, and the goggles has a "Sock" for protacting the goggles when not in use, the lens's are a trick to swich, but they're wounder full. The Army issues these things out, and I still have mine from basic, and I've seen photos of what happens when they've been shot by a 12 gage, and I trust them with the safety of my eyes.
Sock for protecting the lens.
works well with Combat helmets.
Tinted lens is great for day time use.
after prolong use, the top of the goggles tend to make fore head sore.
May cause wearer to get abit sweaty due to prolong use in hot weather.
Solvent: take short breaks to wet your face, and cool down, and take goggles off for alittle bit.