Description : JB6963XL beige Compression support with zipper and open toe These soft and comfortable compression supports are designed to increase blood circulation and reduce swelling. Made with nylon and spandex, the knee-highs feature a pinch-resistant zipper that makes for easier on and off. The toeless design accommodates large shoe sizes, provides quick access for medical examination. FDA listed. Compression rating 22-32 mmHg. Sizing: Ankle Circumference: 11 1/2 - 13 inches; Calf Circumference: 13 3/8 - 19 3/8 inches.