The Mueller Face Guard helps protect your face from maxillary, nasal, zygomatic and orbital injuries. Wear this Face Guard while playing basketball, baseball, soccer, and any other sport where face injuries may occur. Made from medical grade polycarbonate, the Mueller Face Guard provides improved clarity while being crack/shatterproof. The proprietary occipital harness comfortably secures the face guard and prevents shifting, while the customizable XPE foam pads can be placed exactly where needed. One Size Fits Most.