Vango harmony single sleeping bag the harmony has a fresh new look with the addition of a chic print on the head rest and vibrant new colours this 2 season square bag is extremely functional and has a comfortable tog rating of 8 so perfect for use in the summer it features a one layer construction which combines a plush microfibre polyester shell and brushed polyester lining for superior comfort the harmony is perfect for first time campers or families features single layer stitch