At 11.5 oz, this is one of the lightest pads available in a military friendly color. With the X Wave's built-in pillow, side rails, and body supporting design there is nothing more comfortable for the weight. Carefully thought out wave sections allow a soft knee cushion for side sleepers, and a tapered lower edge allows legs to lie neutrally. With the warmth of loft pockets and the support of custom pressurization, your super ultralight pursuits just got a whole lot more comfy.