J Jill XL Black Wearever Collection One Button Cardigan Soft Stretch New No Tag J. Jill cardigan, perfect for any occasion. The knit black cardigan, made from a blend of spandex and rayon, features long sleeves and a button accent for a touch of sophistication. Machine washable for easy care, this knit sweater is a must-have for your fall, winter, and spring wardrobe. The sweater also includes pockets.