Barefoot Yoga’s Original Eco Yoga Mat is made of all-natural rubber and jute fiber, with no man-made additives and a rubber underside that grips the floor to stay put no matter how many quarts of sweat you put out during your Downward Dog. Rated No. 1 by The New York Times in environmentally friendly mats, the 72”X25” biodegradable mat comes in Natural (color-free), Coral Pink, Lichen Green and Deep Lavender, $72; at barefootyoga.com.