Sporty lightweight design eliminates the bulkiness and weight of a goggle. Quick release interchangeable temples and an elastic strap. Indirect vented foam carriage provides maximum dust protection as well as a sufficient airflow outlet for heat. The thermal system provides anti-fog protection in the worst weather conditions or extreme-temperature working environments. Meets ANSI/ISEA Z87.1 Meets MCEPS Class 1 Military standards. Meets CAN/CSA Z94.3-07 standards CE EN166 certified *Disclaimer: For overall safety use this product in combination with proper face mouth and hearing protection.