The Core 10 Women's Backless Activewear Sweater is a top-rated option for women's backless activewear on Amazon. This sweater is designed with a backless cutout, giving it a unique and stylish look. It is made from a blend of soft and stretchy materials, ensuring a comfortable and flexible fit. The sweater is suitable for various activities, including yoga, running, or casual wear. With its high ratings and positive customer feedback, the Core 10 Women's Backless Activewear Sweater is a reliable choice for women who want to combine fashion and functionality in their activewear collection.