The Girlfriend Collective Black Cleo Halter Crop Top Racerback Bra in size Small M is a solid black sports bra with a racerback design and medium support level. It is made of machine washable material and is perfect for activewear occasions. The bra is wireless and has a pullover closure, making it easy to put on and take off. The brand, girlfriend collective, offers a comfortable and stylish option for women looking for a sports bra that provides support and comfort during workouts.