An Isotoner slipper size chart is available on the company's website at Totes-Isotoner.com. The link to the size chart is at the bottom of the home page's Learn More heading and lists footwear size conventions for women, men, youth, kids and infants.
The size chart applies to all of Isotoner's footwear, including slippers, clogs and sandals. In addition to the standard U.S. sizes, the chart provides equivalent European and United Kingdom sizes. For example, a men's size 10 slipper in the United States is equivalent to a 43 European and a 9.5 United Kingdom. U.S. sizes range from four to 12 for women and six to 16 for men.