Compression knee high sock 20-30mmHg graduated compression for optimal performance Cotton blend is soft and breathable for all day wear Available in multiple colors For an athletic sock with a retro sports twist (Hoosiers, anyone?), choose our Women's Retro Stripe Performance Knee High Cotton Blend Moderate Compression Socks. Our cotton blend striped knee-high sock utilizes firm compression for when you need respite and repair the most. Our 20-30mmHg graduated compression technology provides relief from swelling and encourages blood circulation. Improve your performance while promoting your health with WellFit.