The Athleta Women's Quarter Zip Pullover Thumbholes Athletic Grey Jacket in size Medium is a versatile activewear piece perfect for various athletic activities such as gym training, yoga, pilates, hiking, and running. Made from a blend of polyester, nylon, and spandex, this jacket offers a comfortable fit and flexibility. The 1/4 zip closure and thumbholes provide added functionality while the classic gray color and athletic style make it suitable for both activewear and casual occasions. With its high-quality construction and brand reputation, this jacket is a must-have for women looking for a stylish and practical outerwear option.