The Nike Women's Pro Hypercool Long Sleeve Top is a top-rated base layer top for women's tennis on Amazon. It is made with Nike's Hypercool fabric, which provides targeted ventilation and moisture-wicking properties. The long sleeves offer extra coverage and the slim fit allows for easy layering under your tennis outfit. The top is designed to keep you cool and dry during intense matches. With its high ratings and positive feedback, this base layer top is a reliable choice for women tennis players looking for breathability and performance.