Graduated Compression Socks applies pressure in just the right places to support your legs, prevent injuries, reduce fatigue + soreness all at the same time. They're designed to make you feel great no matter how long you're up on your feet. DETAILS + FIT S/M = US size 5-8 Womens L/XL= US size 9-13 Womens 15-20 mmHg compression FABRIC + CARE 80% nylon 15% polyester 5% elastane Socks deploy graduated compression they squeeze more and more tightly the farther they are from the heart. These colorful compression socks can help reduce blood pooling in the legs and speed up the return of blood to the heart. Stimulating blood flow helps improve oxygen delivery to your muscles, which speeds up muscle recovery, helps prevent cramping, swelling, spider veins, and circulation issues common among diabetics. Vibrant heart pattern over navy socks. Perfect for adding a pop of color to any outfit.