Hyalite Equipment Peak-Oyl-Elite Inflatable Inflatable Sleeping Pads - Long R-Value 5.0 - 8.0, 26.2 oz, 743 g Aerotherm insulation increases warmth to provide a good night sleep in cold conditions 40% Bio based foam lessens the environmental impact by using a rapidly renewable source Durable, abrasion resistant 50 Denier DRS Recycled P.E.T nylon fabric Diamond Die Cutting reduces weight & pack size