Sailing Cargo Vest 70 Best Memorial Day Decorations Ideas with Images 2020. The Sailing Cargo Vest is made from 100% cotton poplin, a crisp, lightweight fabric known for its smooth finish and structured drape. Poplin holds its shape at every fold, giving the vest a clean, tailored appearance while remaining easy to move in. Designed with practical detailing, it features two rectangular chest pockets and oversized patch pockets with flaps and button closures. This vest is ideally worn over shirts tshirts or knitwear.