If you've ever spent a hot, restless summer night stuck between a too warm sleeping bag and a sticky air mattress, the Therm A Rest Fitted Sheet is for you. Accommodating a wide range of Therm A Rest mattresses, the soft, brushed surface brings next to skin comfort to those balmy nights and mates with our Tech Blanket for bed like comfort on the go. Variable Fit: Elastic hem and bottom straps fit a wide range of Thermarest mattresses. Soft and Cozy: Brushed polyester surface is luxurious next to skin and protects your mattress. Versatile: Acts as a coupler for another mattresssheet combo and snaps with our Tech Blanket for additional sleep options. Convenient: Easy to put on and machine washable. Size: 20 in. x 66 in. Weight: 6 oz.