Wrightsock Double Layer Fuel Cushion Crew Socks Size:X-Large Stabilizer Zone to help lock the sock in place All day comfort with No Blisters, Guaranteed! Mesh panel for breathability Fabric Content: Inner Layer: 66% Dri-Wright II (Polyester), 30% Nylon, 4% Lycra (Spandex) / Outer Layer: 68% Dri-Wright II (Polyester), 24% Nylon, 8% Lycra (Spandex) Maximum cushion Double Layer style