Shave ounces from your pack and get a good nights sleep. Alps Mountaineering Dual Foam mat provides insulating comfort during valuable downtime. This sleeping mat excels at alpine climbing, adventure racing and long-distance backpacking when reducing weight is paramount. Egg-carton pattern increases softness and adds insulation by trapping warm air under your sleeping bag. Lower layer of dense, closed-cell foam withstands years of use and abuse. Special buy.