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