Mild Compression for Tired and Aching Legs, Swollen Legs, Minor Fatigue, Minor Heaviness Graduated Compression Has Been Proven Effective in The Prevention and Treatment of Venous Disorders . The Compression of The Hosiery is Greatest at The Ankle and Decreases as it Moves up The Leg. Graduated Compression Helps to Improve Circulation and Valve Functioning. Small: Ankle: 6-1/2 inch - 7-1/4 inch, calf: 11 inch - 13-1/2 inch, length to 16 inches.