The Lululemon Define Jacket Luon in black, size UK 10-12 (US 6), is a versatile and stylish activewear piece designed for women. Made with a blended fabric of nylon and polyester, this long sleeve jacket features a zip closure for easy wear. Perfect for spring and yoga activities, the Lululemon Define Jacket is machine washable and part of the brand's Define product line, known for its quality and performance. Whether you're heading to the studio or out for a walk, this basic jacket offers both comfort and style.