The Big Agnes TwisterCane BioFoam Sleeping Mat is your solution to sleeping more soundly in the Great Outdoors. Add another layer between you and the cold, hard ground or snow. Use it alone or pair it with your air mattress for added insulation. The unique design provides a firm, insulated barrier with closed-cell foam technology, and die-cut peaks and heat-trapping valleys. Closed-cell foam technology provides a firm, cushioned sleeping surface Use alone or with an air pad for added insulation Smooth on one side with a tire tread pattern on the other Can be used on either side Made from sugarcane biomass Rolls tight to save space Order today!