The Nemo Tuo Standard Sleeping Pad is double the comfort and double the precaution of standard inflatable sleeping pads. A super lightweight, thin film separates two airtight layers with their own independent valves. This concept allows the user to have a sturdy, durable base layer to protect the pad and the sleeper from rocks and roots while the top layer can be adjusted to the perfect amount of air for extra comfort. Even if a worse case scenario plays out and you puncture one of the sides, the Tuo Standard sleeping pad's unwounded side will keep you off the ground and protected from heat loss. This Nemo sleeping pad was made for the threat of wear and tear along with the chill of harsh environments. All great qualities for expeditions, winter camping, and mountaineering. The Nemo Tuo Standard Sleeping Pad will having you sleeping like you've never left home.