Light compression hosiery helps reduce swelling in the ankles, making these socks ideal for long periods of standing or sitting. They help stimulate blood flow, which help prevent Deep Vein Thrombosis and Varicose veins. Enjoy a vibrant compression sock in a wearable black. Perfect for wearing whilst travelling or during work! The Pretty Polly Compression Sock will energise the leg, as well as being tough wearing! Fabric: 89% Polyamide, 11% Elastane. Excluding welt.