The Gamma RZR Dri grip only added 2g to my racquet. The stock grip was the Dunlop Gecko Tac. The RZR Dri is the same thickness and is soft feeling, firm, and on the rubbery side. Medium tac and perforated. I'm not using an overgrip.
Dunlop MuscleWeave 200G 95, Bosworth/Lendl hybrid pattern - Black Out 1.24 / Hexy Fiber 1.26 @53/53 Alpha Pioneer DC+ dropweight