Best-selling and buttery-soft, the Baritone Pants are ultra comfortable when you're lounging, and beefed up with ActiveTemp™ when you're moving. Perfect for cold weather activities that demand warmth, stretch, and movement, and moisture management, the Baritone will be your new favorite winter layer. Each Baritone piece uses ActiveTemp™, the thermo-regulating technology that adjusts to your body temperature to keep you cool, dry, and comfortable during high-exertion activities.