The Criss Optical MAG-1 Spectacles will keep your eyes safe while on the job. Manufactured to circulate air internally, these spectacles experience next to no fogging for clear vision at all times. A heavy duty bridle strap holds the glasses in place comfortably, while the frame is shaped to fit easily under a mask or other pieces of headgear. Approved to ANSI standards, these MAG-1 spectacles will not let you down. Order today!