New mat for Rega P6?

I use a Herbie’s mat on my Planar 8. It can be ordered in the same thickness (2mm) as the stock Rega felt mat. I perceive zero downside in terms of sonic performance.

I neglected to address the primary reason/issue for your post. Static reduced significantly. Unscientific, but estimate 75-80% less.

The Herbie's Way Excellent mat did reduce static for my P10 setup and it didn't affect VTA.  This mat is much less expensive and better to my ears for sound quality than the Herbie's Grungebuster mat that sucked the life out of the music.  Between the WE mat and ultrasonic cleaning my LPs, static is no longer a problem.  IMO, this mat is a nice replacement for the felt mat on Rega TTs.  Other brand TTs may provide different results.

Double sided tape fixed the 'Static Cling' of my P10 matt 👍 

Double sided tape will fix the clinging issue but it won't eliminate or reduce static.