Sigvaris 360 Cushioned Cotton Rx support knee highs have a padded foot and flat toe seams. Ideal for people with sensitive skin, allergies, or diabetics that need to wear a higher compression stocking. Only fine Supima cotton will touch your skin and the flat low-friction toe seams prevent irritation. This firm support sock offers 20-30mmHg compression, is available in black and white, and uses the Sigvaris Precise Fit Sizing chart for a custom-like fit.