The NEMO Astro Insulated 20 Sleeping Pad is a warm, 3-season pad designed for car camping, basecamps, and backpacking. With 3 inches of thickness and lightweight, water-resistant StratoFiber; Insulation, this pad offers a plush surface that's good for side sleepers, and warmth that's rated for comfort down to the 15Adeg - 25AdegF range. Features of the NEMO Astro Insulated 20 Sleeping Pad Lateral baffles Are less noticeable than vertical baffles, which align more with your limbs Plus lateral baffles prevent the pad from curling under your weight The Oversized pillow baffle at the head end provides extra loft under your head and prevents your camp pillow from sliding off the end