The Terramar Women's Thermasilk Base Layer Top is a popular choice for women seeking a silk base layer top with added thermal properties. Made from a blend of silk and spandex, this top offers excellent insulation and moisture-wicking capabilities. The silk fabric provides a soft and luxurious feel, while the spandex ensures a comfortable and stretchy fit. The base layer top is designed to trap body heat and regulate temperature, making it suitable for various outdoor activities in cold weather. It also has UPF 50+ sun protection, making it versatile for both winter and summer use. With its combination of silk and thermal features, the Terramar Women's Thermasilk Base Layer Top is a reliable choice for women looking for warmth and comfort.