Therm-A-Rest RidgeRest Classic Sleeping Pad is a lightweight and practically indestructible mattress, perfect for nights in tents or outdoors in the middle of nature! This classic and beloved model is made using the most resistant Therm-A-Rest foam, this means it will last many years and will accompany you on your adventures where you are looking for basic comfort. Its unique design is designed to isolate you from the ground and retain heat, while having a thickness of 1.5 cm it guarantees you an R 2.0 value. The Regular variant measures 183x51 cm with a weight of 400 g. The Large instead 196x64 cm with a weight of 540 g. Therm-A-Rest RidgeRest Classic Sleeping Pad