I really like the appearance of the mat with the crater/recycled material on one side and the plain black on the other. It is hard to tell if one side is intended to be the bottom or the top because they both seem to offer unique benefits, but it's best the have the recycled material side down. The black side has good grip (when it is dry) and is really comfortable. It's not a very thick mat but I don't have any issue with the cushioning. The recycled side is softer but pretty slippery. Beware, it picks up EVERY bit of dirt and dusk. I have to clean it all the time. Cleaning isn't very difficult with proper cleaning material but I wish I couldn't just brush the debris off with my hands. Doesn't happen like that. A wet cloth is required.
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