This article may help me decide what mat I should select after having wiffed on my first choice last month. Eco-friendly mats are tricky because they’re new on the market and it’s hard to know how they feel to the touch. Several that I’ve seen have a tendency to roll up at the ends. New York Times For Some Things, It’s O.K. to Be Sticky (Yoga Mats):
Some manufacturers are beginning to use natural and earth-friendly fibers and plastics instead. The resulting mats are not only biodegradable and free of hazardous chemicals, but their makers also say they provide more traction.