Meet the sock that pairs pride with innovative technology. CEP’s Old Glory Compression Socks feature the iconic colors of the American Flag in a medical-grade compression sock. These stylish athletic socks provide a stay-put fit that hugs your calf and foot to help prevent blisters with their proven blend of materials. Increasing circulation with stabilizing compression on the calf helps to relieve shin splints, prevent cramping, and eliminate fatigue. So, run with pride and strength with effective true compression. 20-30mmHg graduated compression Provides 40% increase in blood flow through the calves Proprioceptive ankle and arch stabilization Precisely defined compression profile for optimum recovery and performance More oxygen leads to increased power and endurance Material: 83% Polyamide, 17% Spandex