The Odlo Women's Performance Warm Eco Baselayer Top is an eco-friendly and high-performance synthetic base layer top. Made with a blend of recycled polyester and elastane, it offers excellent warmth, moisture management, and breathability. The seamless construction reduces friction and enhances comfort during activities. The crew neck design provides a classic and versatile look. Whether you are skiing, hiking, or engaging in other outdoor activities, this top will keep you comfortable and dry. With its commitment to sustainability and top-notch performance, it is no wonder that it is one of the most wished-for women's synthetic base layer tops on Amazon.