Constructed of injection molded magnesium, the FM4000MAG is the next evolution in umpire's masks.  With a super elegant and light weight design this is a mask that will look and perform amazingly.  So light, the first time you hold it you will think it's floating out of your hands! Magnesium is the perfect material for a mask with low density for extremely light weight (16.8 oz) and high vibration damping properties. The magnesium is great at helping to absorb impacts and the material has been shown to be more durable than a classic steel cage. Because of the molded magnesium, the bars..