Right Weight Fitting: The SL290 is engineered ?Super Lite? ? providing distance and control for any swing-type, even those players with the most aggressive tempos. * Ultralite Technology: Saving 25 grams compared to the average consumer driver ? primarily in the shaft and grip ? the 290 helps players generate increased clubhead speeds of 2mph on average. * Miyazaki C. Kua Ultralight Shaft: This authentic 43-Series Miyazaki shaft is especially stable in the hands, meaning it can be transitioned quickly and accommodate even the most aggressive swings.