Here’s the Head Microgel 125. I think it’s probably a few years old.
Image via amazon.com
Weight: Light (125 grams)
Balance: Head-heavy (37 cm)
Head size: Large (500cm2)
This must be that gel technology. Presumably the same one that’s in Dr. Scholls’ shoe inserts:
Rachael Grinham used to be gellin':
Image via SquashSite