NWT silk long underwear in blue steel (grayish) color. These are still in packaging and have not been tried on. Very breathable and lightweight. Over forty years ago Terramar was the first company to introduce silk performance base layer products. Thermasilk is still going strong. The Pointelle Pant offers a natural super soft touch and feel with all the technology you need. The result is a breathable lightweight bottom that keeps you warm, dry and comfortable for all your outdoor adventures. The tradition continues. Features: 100% Pure silk Engineered to adjust to your body temperature Inhibits the growth of bacteria that causes odor Ultra lightweight (1.0) natural fabric Machine Washable Technology: Climasense Thermoregulation Technology Keeps You Comfortable In All Conditions +