Therm-a-Rest Z-Lite Closed-Cell Camping Mattress provide a great night's rest for your most remote action-packed adventures. The Z-Lite is one of Therm-a-Rest's lightest camping mattresses. An accordion design with heat-trapping dimples and a 2.6 insulation R-value helps keep you warm. The proprietary foam construction features a soft top and dense bottom for virtually indestructible, comfortable use for years to come. Pad Thickness: .75".Manufacturer model #: 02302. Ultra-Light, foldable, backpacking Mattress Virtually indestructible molded closed-cell construction Accordion design with heat-trapping dimples and 2.6 R-Value Z-Lite SOL features ThermaCapture for up to 20% more warmth Proprietary foam construction is soft on top and dense underneath