Pearl Izumi Men's Cyclone Glove Back: 63% Nylon 16% Spandex 12% Polyurethane 5% airprene 4% Polyester Palm: 52% Nylon 29% Polyurethane 10% airprene 7% Nylon 2% Spandex Imported Spring/Summer 2012 Read the care content label on the inside of your garment for specific instructions; use simple detergents with no additives.