The LULULEMON Define Jacket in Luminesce Splatter White Black is a versatile activewear jacket designed for women in size 4. Made from a polyester blend, this long sleeve jacket features a zip closure and an athletic fit, making it perfect for active occasions. The jacket is part of the Lululemon Define product line, known for its quality and style. With a classic black color and a comfortable blended fabric, this basic jacket is a must-have for any active wardrobe.