J. JILL White Shirt Collection 3X Womens Basic Button Down Long Sleeve EUC Like new. The J. Jill White Shirt Collection in size 3X is a classic and versatile addition to any woman's wardrobe. This basic button-down shirt features long sleeves and a comfortable down fabric, making it perfect for everyday wear. The clean white color adds a touch of sophistication, while the regular fit ensures a flattering silhouette. Ideal for layering or wearing on its own, this shirt is a must-have for any fashion-forward woman.