"100 percent of the proceeds from this collaboration are going for 'Athletes For Care' to support mental health initiates, and I think that's extremely important," Williams told us.
A4C is a non-profit organization founded by former athletes dedicated to assisting fellow athletes ... with everything from mental to physical health.
It's a worthy cause ... and one that's close to Ricky's heart.
In fact, RW says smoking pot has improved his mental health, and in ways been a substitute for professional therapy, by allowing him to examine himself and make changes where necessary.