The RidgeRest Classic Regular camping mat gives go-anywhere, sleep-on-anything comfort. A durable foam mat with a unique ridged construction: the supportive surface and heat-trapping properties ensure reliable performance. Lightweight and versatile; use alone on camping trips or underneath a self-inflating mat on rocky terrain to increase warmth and ground protection. Therm-a-Rest RidgeRest Classic Regular Camping Mat - Charcoal