Best-selling and buttery-soft, the Baritone Pants are ultra comfortable when you're lounging, and enhanced with performance-forward features when you're moving. These pants use ActiveTemp™, the thermo-regulating technology that adjusts to your body temperature to keep you cool, dry, and comfortable during high-exertion activities. Maximizing your comfort with movement-mirroring stretch that gives you a full range of motion, the Baritone Pants will be your new favorite winter bottoms. FABRIC : 82% polyester, 18% spandex WEIGHT : 13.5 oz./381 g