YOUR NEW WARM BASELAYER FOR CHILLY ENVIRONMENTS - THE LUXURIOUS TERRAMAR THERMASILK JERSEY TANK.Ideal for layering, travelwear and everyday use, the Terramar Thermasilk Jersey Tank is naturally incredibly soft, warm, breathable and extremely lightweight. A perfect solution for cold weather uses, the ThermaSilk Tank will ensure you stay dry, warm and comfortable in all outdoor adventure activities. FEATURESClimaSense Thermoregulation Technology keeps you comfortable in all conditions - Engineered to adjust to your body temperature - Inhibits the growth of bacteria that causes odor - Fast wicking and dryingNatural breathabilityUltra lightweight (1.0) natural fabricJersey construction and excellent warmth without weight100% Pure Silk