The Calvin Klein Performance Women's Quarter-Zip Pullover is a top-rated activewear sweater on Amazon. It is made with a blend of polyester and spandex, providing both comfort and stretch. The quarter-zip design allows for easy ventilation, while the thumbholes provide added coverage and warmth. The Calvin Klein logo adds a stylish touch to the sweater. Whether you're working out or running errands, this pullover is a fashionable and functional choice.