Smartwool Women's Intraknit Merino 200 Thermal Base Layer

Stay warm during your most intense outdoor adventures with the Smartwool Women's Intraknit Merino 200 Crew. Designed for extreme cold-weather activities, this lightweight thermal top provides the perfect balance of warmth and mobility. The slim fit follows your body contours to ensure a snug, comfortable layer that works effectively under other clothing. This base layer uses advanced Intraknit technology to integrate insulation, articulation, and ventilation directly into the fabric. By combining Merino Sport yarns with seamless mesh ventilation, the top manages moisture and regulates temperature during high-intensity movement. Whether you are hiking, skiing, or exploring in freezing temperatures, this crew helps you stay dry and comfortable. The 3D mapping design supports natural movement, making it a reliable choice for active women who need high-performance gear that moves with them.