Sphero Soft Shell, 90% Nylon 10% Spandex, 238 g/m2 with DWRSphero is a durable, comfortable, four-way stretch woven fabric for use in outdoor activities. A lightly knapped interior increases comfort and enhances air permeability, while DWR provides increased protection from changing elements. 90% Nylon, 10% Spandex, 238 g/m2, 80/20 DWR.