SOFT COMFORTABLE GRADUATED COMPRESSION SOCKS - Swell Relief Soft Wear Moderate/Medium Graduated Compression 15-20 mmHg. Designed for support, and comfort. Fits women's shoe size 8-11. 4 Pack Set. 2 Black, and 2 Navy Blue. Total Qty. 4 Pair. These are tested and rated Medium Compression socks and will fit tighter than mild, or non-compression socks. STIMULATE BLOOD FLOW - Engineered to improve your health, and endurance. Energizes Tired & Achy Legs. Relieves Ankle Swelling and Fatigue. Great for Mild Edema, Varicose Veins, Cramps, Shin Splints, Injury Recovery and Blisters. Promotes blood flow upwards toward the heart. EVERYDAY WEAR - Long-lasting support for Prolonged Standing or Sitting on The Job; Nurses, Running, Travel, In Flight, Around the House, Therapy, Before & After Pregnancy. Ultra-Soft Microfiber blend maximizes comfort without compromising support.