SUMO stands for Super Moment of Inertia, in which clubhed weight distribution is optimised for maximum performance. This should make the clubhead more stable and reduce the extent to which the head will twist off-line on mis-hits.
The looks and sound of the driver may not appeal to all, especially those of a more conservative disposition. But the levels of forgiveness are second to none, giving you the confidence to really go after your drives. Where next? More On Test: - Nike SasQuatch 460 driver review