Specifications: The compression sock can help you to prevent thrombus and varicose veins. They also can relieve fatigue and swelling in your legs. Anti slip sock increase friction between sole of the foot and shoes, so as to enhance sports explosive power. The toe part of this pair of stockings is thickened and non-slip, wear-resistant, and greatly reduce the impact force of sports. Double woven composite closure can effectively fix and protect the ankle. The heel is thick and rounded to prevent the heel from sliding down. Thicker sole are designed to makes your feet feel comfortable, non-slip and wear-resistant. It is a veritable necessity for anyone working long-hours standing on their feet, or those heavily invested in athletics and a fitness lifestyle. Type: Compression Stockings Gender: Men Material: Cotton Occasions: Cycling, Gym, Fitness, Workout, etc. Features: Stretchy, Comfortable, Color Block Size Details [Our Size S/M] Shoe Size(US): 7-10.5, Calf Size: 22.86cm - 38.1cm/9" - 15" (Approx.) [Our Size L/XL] Shoe Size(US): 9.5-13.5, Calf Size: 35.56cm - 48.26cm/14" - 19" (Approx.) [Our Size 2XL] Shoe Size(US): 11-14.5, Calf Size: 50.8cm - 63.5cm/20" - 25" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 Pair of Compression Stockings The compression sock can help you to prevent thrombus and varicose veins. They also can relieve fatigue and swelling in your legs. Anti slip sock increase friction between sole of the foot and shoes, so as to enhance sports explosive power. The toe part of this pair of stockings is thickened and non-slip, wear-resistant, and greatly reduce the impact force of sports. Double woven composite closure can effectively fix and protect the ankle. The heel is thick and rounded to prevent the heel from sliding down.