Therm-a-Rest’s ProLite camping mat is a top choice for backpacking trips. Featuring an expanding foam core that self-inflates, you can top up with air for optimal firmness. Comfortable and supportive to sleep on, lightweight and compact when carried, it is complemented by an intuitive WingLock Valve system to make inflation and deflation even quicker. Therm-a-Rest ProLite Large Camping Mat - Poppy