Gray Burnt Orange Bringing the comforts of home to the outdoors, our Universal Sheet fits snugly around all Therm-a-Rest® mattresses, including tapered and rectangular designs. The breathable polyester fabric offers next-to-skin softness for a luxurious feel, and the sheet can be machine washed at the end of each trip. Built-in loop attachments also let you connect the sheet to a Therm-a-Rest® blanket to create a lightweight, comfortable sleep system—perfect for restful nights away from h