Constructed of flame-retardant material & certified to withstand temperatures up to 500 deg F for up to five minutes, these goggles are made to withstand high-heat environments. Features easy lens replacement, anti-fog & anti-scratch coatings, and ballistic-grade, optically correct lenses. Easy to don & doff, even with gloved hands. Choose from InnerZone One, InnerZone Two, InnerZone Three & ESS Goggle System models.