The 230 Cotton Series thigh high, open-toe stockings provide compression therapy to reduce pain and swelling and other symptoms associated with venous conditions. The fashionable thigh length, 230 Cotton Series stockings have a Grip-top silicone border to safely hold the stockings in place throughout the day. Made with cotton fabric the stocking are soft and breathable and will not irritate sensitive skin. Choose between a firm compression, 20-30 mmHg, and a extra-firm compression strength, 30-40 mmHg. Select a pair in one of six sizes.