The Lululemon Lightweight Cropped Track Jacket in Black is a stylish and functional activewear piece ideal for women who love yoga and other sports activities. Made with a blend of nylon and polyester, this jacket features a zip closure, long sleeves, and is machine washable for easy care. The cropped length adds a modern touch to the basic jacket style, while the black colour and sports theme make it a versatile choice for spring workouts. Perfect for size 4 women looking for a comfortable and practical outerwear option from the Lululemon Define product line.