A re-designed, classic closed-cell foam sleeping pad delivers more thickness and plush comfort in an industry-leading packed size. Switchback features hexagonal nodes, which are molded with dual-density Axiotomic foam to create Hypnoelastic zones that conform to your body in a perfect balance of comfort and support. Switchback also leverages a metalized thermal film layer to efficiently reflect heat back to your body. Blend that with 15% more heat-trapping space, this new innovative design is able to deliver a warmer, more comfortable sleep.