6d atr 1y macro youth helmetthe atr 1y macro from 6d is the only premium helmet designed specifically for youth riders and the ideal choice for mx or bmx competitions the atr 1y marco incorporates all of the amazing benefits of 6ds revolutionary omni directional suspension technology and as such this helmet has no equal the helmet is designed with softer multi density eps materials and softer isolation dampers that offer superior protection to the childs still developing brain and skull the