100% waterproof, breathable and anti-slip. Slip resistant for dexterity and almost no slip of the inner liner. Special processing on the thumb and index finger allows handling of touch screen devices. Outer material: 48% polyester, 27% polyurethane, 18% nylon, 4% Spandex, 3% rubber. Membrane: Micro-pourous. Inner material: 100% polyester.