Graduated Gradient Compression Design, 100% pressure at ankle and compression lessens gradually up to calf (70%) and thigh (40%)3-D design, perfectly fit your leg, ComfortableReinforced toes and heels, relief for tired aching legs and prevent thrombosisHigh-elastic mciro fiber are delicate, soft, velvety, stronger and do not rub at heels to make them sore20-30 mmHg Therapeutic Support, Color: Black, Size: Large, By US Advanced HealthcareGreat deal! Save $$$ with us!