Wrightsock Stride Crew Socks Nylon The Stabilizer Zone locks the sock in place and the additional venting channels offer more breathability. The STRIDE is highly durable and available in a variety of styles and colors Inner Layer: 70% Dri-Wright II Polyester, 26% Nylon, 4% Lycra Outer Layer: 68% Dri-Wright II Polyester, 24% Nylon, 8% Lycra