The Under Armour Women's HeatGear Armour Long Sleeve is a top-rated base layer top for women's Pilates on Amazon. It is made with HeatGear fabric that wicks sweat away from the body, keeping you cool and dry during your Pilates sessions. The long sleeves provide extra coverage and protection, while the fitted design allows for easy movement and flexibility. This top is also equipped with UPF 30+ to protect your skin from harmful UV rays. With its excellent moisture-wicking properties and comfortable fit, it's no wonder this top is highly rated by customers on Amazon.