J. Crew Cashmere Sweater Navy - Large Size - Large Color - Navy Great Condition The J6384 is a classic-fit crewneck sweater made from 100% cashmere. It is known for being soft, warm yet lightweight, and versatile for different occasions. Material: 100% cashmere. The cashmere is sourced in partnership with the Aid by Trade Foundation's The Good Cashmere Standard®. Fit & Sizing: Reviewers often mention it fits true to size. Care: The recommended care is hand wash.