The Lululemon Black Difined Jacket is a versatile activewear piece designed for women who enjoy yoga and other springtime activities. Made from a blended fabric with a nylon outer shell and polyester insulation, this long-sleeved jacket features a zip closure for easy layering. The basic black jacket from the Lululemon Define product line is machine washable and available in size XS, making it a convenient and stylish option for any outdoor workout.