100% Heavy Weight Cotton Twill Exterior (200gsm). 100% Polyester Quilted Liner and 100% Polyester Fill. Introducing the Seine Jacket - brand new for our 2019 season. The Seine Jacket features exterior and interior quilting, rubberized snap buttons, large double chest pockets with "Otis Pillar" flaps, and side pockets. Custom labeling and scallop edged hems with contrast fabric.