Over forty years ago Terramar was the first company to introduce silk performance base layer products. Thermasilk is still going strong. The Men's 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 Natural Breathability Excellent warmth without weight Ultra lightweight (1.0) natural fabric Machine Washable Technology: Climasense Thermoregulation Technology Keeps You Comfortable In All Conditions + Fast wicking and drying Natural breathability Jersey construction and excellent warmth without weight Terramar Men's Thermasilk Jersey 1.0 Pant - Tall