The Under Armour Women's Tech Twist 1/2 Zip Pullover is a top-rated activewear sweater on Amazon. It is made from a blend of polyester and elastane, providing a comfortable and stretchy fit. The pullover features Under Armour's signature Moisture Transport System, which wicks away sweat to keep you dry and comfortable during workouts. It also has a 1/2 zip front for easy ventilation and a stand-up collar for added warmth. With its stylish design and performance features, this pullover is a favorite among active women.