Therm-A-Rest Field Chair Advantage Max 4HD 20 Bring a chair on even the most minimal backpacking trips with the Therm-a-Rest Field chair. Simply wrap the sleeve around your sleeping pad and you're ready to enjoy that campfire in comfort.  Durable nylon sleeve fits sleeping pads 20 in. wide; camo print keeps you incognito on hunting trips  Therm-a-Rest Field chair features adjustable side straps Backpacking Nylon 42 x 20 inches 10.5 ounces