Therm-a-Rest Synergy Sheets - The Synergy Sheets by Therm-a-Rest brings your sleeping pad to the next level! The brushed polyester sheets fit snugly around all Therm-a-Rest mattresses to provide a luxurious feel, plus the practicality of cleanliness and breathability while sleeping outside. Featuring integrated perimeter loops that allow you to mate your sleeping pad to Therm-a-Rest's quilts and blankets for a complete sleep ecosystem. Get the most out of your sleeping pad with the Therm-a-Rest Synergy Sheets!