New in package Regular Length - 20" x 72" Weight - 14oz Thickness - 0.75" R value - 2.0 Reflective Barrier A light and compact closed-cell mattress, the Therm- a-Rest Z Lite Sol sleeping pad features an accordion- style shape, heat-trapping dimples and reflective ThermaCapture" coating for added warmth. This pad expands upon the utralight performance of the Original Z Lite by adding a reflective ThermaCapture coating to capture radiant heat and increase overall warmth ThermaCapture surface reflects radiant heat back to your body, amplifying the warmth of the heat- trapping dimples by 15%; use reflective side up Folding design is compact and easy to pack Sleeping pad, sitting pad, mosquito swatter-fold it and find your best uses! Proprietary closed-cell foam provides lasting, economical comfort R-value of 2.0 makes this pad perfect for use on its own in warmer weather or layering under another pad for extra warmth in the cold.