The Craft Women's Active Extreme Base Layer Set is a top-rated choice for women who want a lightweight and breathable base layer. This set is made with a blend of polyester and elastane, which provides excellent insulation and moisture-wicking properties. The base layer has a slim fit that layers easily under other clothing. It also has flatlock seams to prevent chafing and irritation. The set includes a long-sleeve top and leggings, both of which have a stylish ombre design. Whether you're skiing, snowboarding, or just braving the cold, this base layer set will keep you warm and comfortable all day long.