Elevate your tee collection. - We took our customer-favorite mariner cotton (a lightweight-but-durable fabric that feels like your favorite rugby) and dressed it up with dramatic bow details at the back. By buying cotton products from J.Crew, you're supporting our investment in Better Cotton's mission to help cotton communities survive and thrive while protecting and restoring the environment. This product is sourced via a system of mass balance and therefore may not contain Better Cotton. 100% cotton. Machine wash. Imported. Item BY398.