New Riddell SpeedFlex Youth Helmet, Medium, White Gray 8022724 Off White Patented IST Technology Reduces Vibration BBSO7A Size Sm Nvy Ebay Patented IST Technology Reduces Vibration FUSION IN MOLD POLYCARBONATE SHELL A process pioneered by bell bonds the helmet's outer shell to the eps foam liner to create a sturdier helmet ERGO FIT What was once ErgaFUSION IN MOLD POLYCARBONATE SHELL A process pioneered by bell bonds the helmet's outer shell to the eps foam liner to create a sturdier helmet ERGO FIT What was once ErgoDial now has an improved dial feel and function (no longer requires a push to turn) and is more sleek and less bulky NO TWIST TRI GLIDES Quick adjust fasteners that help keep straps flat and properly positioned SPECIFICATIONS Universal Adult (54 61 cm) size Pump not included facemask and facemask attachment system with hinge clips reduces the impact force transfer to the athlete