from what we've gathered

The new bottleneck quilting pattern and ultralight ThermoBall insulation eliminate cold spots and provide an excellent warmth-to-weight ratio

AV2 anti-vibration knob offers better feel and less negative vibrational feedback

XP 100 is a perfect option for the player seeking the benefits of the XP series but who has a slightly faster swing tempo

NEOPRENE: Uses a premium neoprene material to give a soft and comfortable fit

New Other Reax Steel 88 Gm R-Flex Std Shaft Blk/Chrm M4 3up/Std Head Size:OSFM from what we've gatheredSteel Iron Shafts are 25% lighter than conventional steel golf shafts. Lighter weight allows for a golf club with a lower center of gravity which produces a higher launch. The duo of RIBCOR and Speed Pocket promote face flexibility for efficient energy transfer at impact and enhanced forgiveness.