OBO Robo PE Field Hockey Goalie Helmet Features cat-eye steel mask for maximum visibility in all directions Similar to the FG helmet but made from the strongest plastic Rigid, strong and lightweight helmet that withstands ball speeds up to 75 mph - CE certified Comes with drawstring mesh carry bag Sizing: Medium: Hat Size: 7 1/8 -7 3/4 | Circumference: 22.4"-24.4" Large: Hat Size: 7 7/8+ | Circumference: 24.4"+