NCAA TCU Horned Frogs Cycling/Triathlon/Running Socks COOLMAX 50%/Nylon 40%/LYCRA 10% Made in US Cuff Height: 5 Inches Material: core-spun COOLMAX fabric Sole Seam - Russo extra smooth looped toe seam (incredibly comfortable and durable) Ideal for Running, Triathlon, Cycling or just walking around with nothing but your socks on Air-Sole Mesh for maximum breath-ability