Sports Knight - Nose Guard/Face Shield with Padding - All Sports High impact medical grade polycarbonate face guard 2 Adjustable straps for customizable fit (1 FREE replacement strap) Quality tested EVA foam pads One size (Average human head circumference is between 22 - 24 inches; Small - 22"/22.5", Medium - 23"/23.5", Large - 24"/24.5") Face Guard will fit most, if not all, faces. No vision obstruction