Madewell Acorn Flower Shaped Buttons Pieced-Sleeve Textured Cardigan Material - 56% Cotton, 43% Polyester, 1% Elastane Made of textural crepe fabric, this button-front cardigan has lantern sleeves and-drumroll, please-the cutest flower-shaped buttons. Regular fit. Body length from high point of shoulder: 23 3/4" (based on size M) Cotton. Machine wash.