The Arc'teryx Women's Rho Base Layer Set is a top-rated option for women's base layers. Made from a blend of polyester and elastane, this base layer set offers excellent moisture management and thermal regulation. The fabric is lightweight, breathable, and stretchy, providing a comfortable and unrestricted fit. The set includes a long-sleeve top and leggings, both featuring flatlock seams for reduced chafing. With its high-performance features and durability, this base layer set is a favorite among outdoor enthusiasts and athletes.