BH Medwear Heavy Napping Confort Blankets (Solid White) Olympus Flannel Blankets retain body heat and can be used in place of a thermal blanket to keep patients warm and comfortable. Their heavy napping will provide unsurpassed comfort, even after multiple processings Choose from our blue-striped 55% Cotton / 45% Poly blanket or our all white 82% Cotton / 18% Poly blanket. or our all white 82% Cotton / 18% Poly blanket.