Sphero ERT - Black Patent Size:Medium/Large and reduces pinching in the

and reduces pinching in the mouth

High flow vents to keep you cool

so you can choose the one that suits your personality and style

use and many common substances

plus a fun pop of color

Sphero ERT - Black Patent Size:Medium/Large and reduces pinching in theThe Ovation Sphero ERT helmet is your new go to for the ultimate in fit and function. Includes Energy Reduction Technology to help reduce rotational force to your head in certain types of impact. ERT (energy reduction technology) foam that reduce the effects of both rotational and linear impacts. Up to 18 21% performance improvement in mitigating rotational impact and 3 5% improvement during linear impacts. Featuring 8 vents for maximum ventilation.