I've been using 4 1/2 and building it up with two overgrips. Recently I got a 4 5/8 and now I don't have the option of using an overgrip. So I got a replacement grip that's comfortable and now I won't need to keep stocking up on OGs. I'll just change the replacement grip when the time comes.
MuscleWeave 200G (348g 8.5 HL), Multifeel 1.25/Black Mamba 1.23, @53/46, dropweight stringer