Fashionelle Queen Moderate Graduated Compression Knee Highs have it all: cute patterns, graduated support, and extra stretch for wider calves More than 15 colors and patterns let you express every mood and try any trend while 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 17". Graduated Support Level: Moderate 15-20mm / Hg.