DescriptionThis pair compression stockings is designed for medical use to relieve swelling, cramping, fatigue, stiffness in ankle and calf. It is suitable for both men and women. The breathable toeless and elastic stay-up ensure long hours sitting or standing.Features- Color: Black. - Material: Nylon. - Size S: ankle: 16.5-20.5cm, calf: 26.5-37cm. - Size M: ankle: 20.5-24.5cm, calf: 29-39.5cm. - Size L: ankle: 24.5-28cm, calf: 32-43cm. - Size XL: ankle: 28-32cm, calf: 34.5-44.5cm. - Compression Rating: 30-40mmHg. - Provide mild squeezing for warmness and helps foot circulation. Relieve swelling, cramping and stiffness in ankle and calf. - Prevent and treat fatigue, pain, stiffness, soreness, swelling, cramps, varicose veins, edema, blood clots and plantar fasciitis. - Breathable open-toe for comfortable fit, when sitting or standing for long periods of time. - stay-up leaves no marks, designed for wearing comfort and durable support, ensures stocking keeps in place all day long.