Sigvaris 230 Cotton Compression Stockings; designed with 25% Supima cotton for optimum wearing comfort. Specifically designed by Sigvaris for those looking for a stylish, comfortable compression garment. Ideal for those who have sensitive skin or skin allergies. Available in Calf High and Thigh High styles only. Open toe and closed toe options available. Compression in the following rates: 20-30 mmHg and 30-40 mmHg.