Crafted with our Thermotech Technology, Mountain Tek is built from passion and expertise to outfit your cold-weather adventures. Our high-quality, affordable basics keep you warm and comfortable, so your snowy escapes are about making memories, not battling the cold. Whether it's your first trip to the mountains or a family tradition, trust Mountain Tek for top-quality base layers designed for peak performance. These heavyweight microfleece bottoms provide ultimate warmth and flexibility for cold-weather adventures. The soft brushed interior ensures comfort, while the smooth exterior allows for easy layering. Acclimate Dry+ technology wicks moisture, and odor-blocking properties keep you fresh. Designed with plush elastic for a secure fit, overlock construction, and an active fit. | Mountain Tek Women's Extreme Base Layer Bottoms