Yoga mats. Where do we start? There are so many variables from size and thickness to price and materials used. Are pricier ones better? And how do you clean a yoga mat? We're going to cover this and more for you right here and now. Size Matters Most people think there is only one size and we know one size doesn't fit all. If you're 5"10 or less, than the standard 68' x24" yoga mat would be a good fit, great for kids too. However, they also make mats a little wider, up to 26"