UGG chunky ribbed knit mittens with faux fur (polyester) lining Logo on patch Acrylic/Amni® nylon/wool Lining: Polyester Hand wash Imported To determine your glove size, measure the circumference of your hand around your knuckles, excluding your thumb. Then pick your glove size based on the measurements below. For the most comfortable fit, you may want to go up a size if you fall in between these numbers. S=6 to 6 1/2 inches M=7 to 7 1/2 inches L=8 to 8 1/2 inches