J.O.A. Oversized Sweater in Blue. - size XS (also in S) J.O.A. Oversized Sweater in Blue. - size XS (also in S) 80% acrylic 20% polyamide. Dry clean only. Imported. JOA-WK42. BC8773. JOA is a global destination for women looking for runway-inspired, fun and easy-to-wear pieces. Our designers travel across the world to search for inspirations that you won't find anywhere else. At JOA, our goal is to bring you truly unique items that can't be found everywhere.