Graphene XT Speed SThe SPEED S combines HEAD's latest technologies and the iconic design of the SPEED series into a perfect partner whether you are going for the club championship or a training session on a weekday afternoon. Lighter overall, it features the innovative Graphene XT technology, which shifts the weight to where you need it for more control and an improved energy transfer to the ball. Compared to its bigger SPEED brothers, the SPEED S gives you the same