Therm-a-Rest ProLite Sleeping PadThe ultimate in a dependable sleeping pad. As the original inventor of the self inflating sleeping pad, weve mastered the art of crafting these high performance pads for camping and backpacking. The ProLite is the foundation of our ProLite line, offering adventurers the lightest and most compact self inflating option on the market. The 1 inch (2. 5 cm) sleeping pad uses diagonally cut foam to increase warmth while saving weight, giving the pad a 2. 4