The Exped MegaMat Sleeping Mat is a soft and cushy sleeping pad for car camping and overlanding. Spacious and supportive, this pad relieves the pressure whether you're a side, stomach, or back sleeper. No feeling the pea underneath this pad, nor the cold, hard grounds you've pitched your tent on. The four inches of cored foam inside are supported with air via the Top-Up Pump to your preferred firmness. Get a good night's rest so you can have big adventures tomorrow.