Yo, yo,

You don't list a location but if you are in an area where there are Vons grocery stores they carry
Bauer and Black wrist braces pick one up. Or you can search for the brand in your area. I have tried them all and these are superiour for comfort, fit and durability.
Whatever you do, don't ignore it like I did, or you will wear one on earch arm 24/7 like I do trying to avoid surgery,