Awhile ago I was able to review GelPro mat. I was able to review Striated in black. Black is a classic rich onyx. Formal in reputation only, its soft yet supporting nature begs you to step aboard. The striated surface comprised of undulating ridges working their way from one end of the mat to the other produces a striking urban-inspired texture. When I first got my GelPro mat, I didn't know what in the world it was, the box was HEAVY to say the least. I opened and was just amazed! It w