Nike Golf has set February 2, 2008 as its SUMO Saturday with the launch of the second generation drivers—the Nike SQ SUMO² 5900 and the SQ SUMO 5000, based on the Moment of Inertia (MOI) geometric design.

The SUMO² 5900 has a square-shaped head, re-modeled body shape, deep face, and a bulging crown to gain ball speed and assure accuracy. A PGA report says the driver offers tighter shot dispersion allowing even off-center hits to achieve accurate shots. Club head stability is also assured with accurate drives with the PowerBow design.

The SQ SUMO 5000, meanwhile offers a traditionally-designed round-shaped driver with a deep-face profile, the PGA report added. It allows golfers to shape the ball or hit it long and straight. The PowerBow design also repositions weight in the club head to optimize center of gravity location.

The SQ SUMO² 5900 and SUMO 5000 provide Diamana shafts, and are available in 8.5-, 9.5-, 10.5-, 11.5-, 13- and 16-degree lofts. The SQ SUMO 5000 also is available in a 13-degree offset and come in in 8.5-, 9.5-, 10.5-, 11.5-, 13- and 16-degree lofts. According to Nike, the SQ SUMO² 5900 will cost around $500 while the SQ SUMO 5000 will be priced at $360.