Bolle Chronosoft goggles
The Chronosoft model is well known to extreme heat specialists (Firefighters). Its TPR frame can withstand extreme heat and its double lens with Equalizer technology effectively combats fogging. Thanks to its large adjustable strap, Chronosoft also offers ample comfort and effective protection from fire or extreme temperatures.
Clear lens : V50 221 m/s (796 km/h)