The NEW Back on Track® Human Fleece Blanket is lined with a blend of Polypropylene and our exclusive Welltex® fabric. It’s a soft, comfortable throw with a polyester shell. Do you suffer from aches and pains, then try this wonderful fleece blanket that be used in a multitude of ways. Feel better with Back on Track. https://botcanada.com/ sizing charts can be found https://botcanada.com/sizing-charts/