Prolite 4 regular, 72″ length. 1.5 inch, 4 season self inflating mattress. Weighs 1lb 11oz. Used a couple of times then it suffered marmot damage to the valve and 1 pin head spot in the center of the patched area. Valve has been replaced and the spot patched using a Thermarest patch kit with seam grip over the top. No longer needed. Asking $60.00 shipped or Estes Park pickup for $50.00. PPFF or Venmo.