The Big Agnes TwisterCane BioFoam Pad is a closed cell foam roll mat made from sugarcane biomass in a process that removes carbon from the atmosphere and sourced in an environmentally sustainable manner. The mat provides a firm cushioned barrier between you and the ground or can be used to protect an air filled mat from sharp surfaces. The pad is smooth on one side with a tyre tread style pattern on the underside. Big Agnes TwisterCane BioFoam Pad Features EVA foam that contains more than 60% sustainably grown sugarcane resin Rolls tight to save space and weight Big Agnes TwisterCane Bio Foam Pad