The Thin Red Line!!! Take this homage to our men and women firefighters in uniform, with the Thin Red Line flag custom woven into our premium deadlift socks. These impressive Black Knee-Highs come fully equipped with protection in mind. Featuring heavy cushion in the pattern area, these specialty performance deadlift socks help you come equipped for your best workouts. Protecting the shins and upper leg, these knee-highs will also breath well down below with our original Moxy Performance Foot. Support your local fire and EMTs! Perfect for exercise, fitness, powerlifting, deadlfting, motocross, hardcore sports, skiing, soccer, softball, and lacrosse. Black with White and Red. Unisex Adult Size.