Fashionelle Regular Moderate Graduated Compression Knee Highs offer cute patterns just for fun - with the benefits of graduated support More than 15 colors and patterns let you express every mood and try any trend while moderate compression graduated support promotes better circulation and helps prevent swelling. These graduated support socks have stay-put, stretch tops that help keep them in place. Fits calves up to 15". Graduated Support Level: Moderate 15-20mm / Hg.