Smartwool Men's Intraknit™ Thermal Max Merino Base Layer Bottom

We're bringing a new dimension to our active winter wear with our Men's Intraknit™ Thermal Max Merino Base Layer Bottoms. Targeted insulation and ventilation allow you to stay comfortable while you're out working up a sweat. Our 3D-knit, articulated design is sculpted to the body to enhance movement and comfort in high-intensity activities—meaning that while you're out running down your goals, these base layer pants will help you stride easily toward your finish line.