The Holy Grail of base layers.Single-layer, jersey knit fabricFabric Weight: 6.5 oz Fiber Content: 85% ColdPrufA(R) Technical Fiber Polyester with SILVADUR(TM) Intelligent Freshness / 15% SpandexFeatures SILVADUR(TM) technology to minimize odor on the fabricWicks moisture and dries quicklyBrushed interior for warmth and comfortPants sit at natural waistlineAnkle lengthInner leg gusset for added durabilityFlat seams to prevent chaffingSelf fabric cuffsCOLDPRUF branded waistbandStyle #62BCare Instructions: Machine wash warm with like colors. Use only non-chlorine bleach. Tumble dry low and remove promptly. Low iron, if needed. ColdPruf Athletic Fit - Close moves with you fit.Our most versatile layer - great for base layer, casual wear, and/or active wearRated for Cold to Extreme Cold and Low to High Activity