They replaced it with the Therm-a-Rest Ridge Rest SOLite.
The Therm-a-Rest Ridge Rest Solar is the most comfortable closed cell pad we reviewed and the cheapest offering in our Car Camping Mattress Review. This pad offers car campers a cheap, durable, and reliable pad that will last for many years. Its closed cell construction also make it suitable for yoga, sitting around campfires, and anything else that requires a little extra cushioning.
The Ridge Rest Solars low price is its best selling point. Other car camping mattresses are more comfortable. The Therm-a-Rest DreamTime, with its customizable firmness and memory foam top, leads the pack and the REI Camp Bed 3.5 assumes the middle ground- its more comfortable than the Ridge Rest Solar, but not as luxurious as the DreamTime.
For a less voluminous and less comfortable, but cheaper option get the Ridge Rest.