The icyzone Workout Running T-Shirts are popular base layer tops for women's Pilates on Amazon. They are made with a blend of polyester and spandex, providing a soft and stretchy fabric that allows for easy movement during Pilates exercises. The short sleeves offer breathability, while the lightweight design keeps you cool during your workouts. These tops are moisture-wicking and quick-drying, keeping you comfortable and dry throughout your Pilates sessions. With their affordable price and variety of colors, they are a favorite choice among customers.