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