Features: Name: Secondary Compression Socks Anti-Curved Calf Elastic Non-Slip Sleeve 1. Sequential decompression elastic stockings provide the highest support in the ankle, and gradually decrease along the leg. This diminishing change can make the venous return of the lower extremity, effectively alleviate or improve the pressure on the venous and venous valves of the lower extremities. 2. For the long-term standing, sitting, bed rest caused by heavy soreness, mild varicose veins, venous blood flow stagnation has a significant effect. 3. Long-term wear softly presses the muscles and fat of the legs, consumes leg energy, prevents sagging, tightens the leg circumference, and keeps the legs beautiful. Description: Pressure rating: secondary compression (23-32mmhg) Material: spandex, nylon Color: black, skin tone Size: S/M/L/XL/XXL List: A pair of calf socks*1