Just got a pair of these today for car camping. Easy to inflate even the first time out of the box. The top is a light fleece and mid-range slippery. Linking two or more together via velcro should be useful. Very comfy overall and the built-in pillow is nice. Weighs a ton so don't even think about backpacking (unless you can get someone to carry it for you). Compares well to the REI 2.5 which goes for $100. Not made of the most heavy duty material so durability might be an issue. Price to comfort ratio works for me.