The gold standard in lightweight, closed-cell mattresses. This lightweight alternative to the RidgeRest ® Solar mattress is coated with a layer of our reflective ThermaCapture „ technology that redirects radiant heat back to your body to amplify warmth. Working in conjunction with the classic RidgeRest® peaks and valleys, the SOLite mattress delivers exceptional insulation in an ultralight and virtually indestructible alternative for backcountry travelers. For maximum warmth, use reflective side-up. R-VALUE: 2.8 THICKNESS: 1.5CM WEIGHT: 400G 51CM X 183CM