Pure Satin Silk Dress Material Satin is a fabric that typically has a glossy surface and a dull back, one of three fundamental types of textile weaves along with plain weave and twill. The satin weave is characterized by four or more fill or weft yarns floating over a warp yarn, four warp yarns floating over a single weft yarn. Floats are missed inter facings , for example where the warp yarn lies on top of the weft in a warp-faced satin