Experience the Double-thick mittens with wool/nylon exteriors provide excellent warmth on cold winter days Plush acrylic/wool/nylon lining is comfortable next to skin Anatomically shaped for right and left hands Mittens can be worn under waterproof mitten shells Measure from the base of your palm to the end of your longest finger. Use that measurement to determine size. Size Medium: 8 - 8.5 in.and style of Fox River's cream wool mittens.