Feather Soft Fabric, Use polyester cotton fabric for a soft velvety feel. Soft Brushed inner surface that absorbs Moisture from the skin. Extremely warm- triple Insulated with polyfill wedges between two Layers of Cotton. Ultra Thin- Ligh-weight lean fabric with high stretch for mobility with ease. Comfort to wear- Falt seam with the tagless branded label makes them comfortable as well as smooth look. reinforcement stitch secured with bar tack for Durability. Modern Fit