In bygone days, I scoffed at the notion of using a sleeping pad. In the pursuit of traveling light, I stuffed my clothes into a plastic Glad Bag and slept on the wad. Somewhere around the age of 25, I de-evolved from a crash-anywhere guy into an amazingly light sleeper. That’s when my attitudes about sleeping pads took a turn. Suddenly, after a full day of climbing, hiking, or ski touring, a good night’s rest seemed worth the weight penalty of a...