Solid Mustard Yellow Cardigan In search of perfect mustard yellow cardigan Beautiful jacket Sale alert This mustard yellow cardigan is now for $21 I tagged Mustard yellow cardiganmust have fall color! #stitchfix Jackets & Coats Mustard Yellow Long Cardigan M Poshmark. This cardigan is sure to be a staple in your child's wardrobe. Its on trend with the drop shoulder and a slightly slouchy fit. It is a knee length cardigan with long sleeves, perfect for layering. Hand sewn in Utah. Fabric Content: 92% Polyester 8% Spandex. Care Instructions: For longest wear, machine wash inside out on delicate cold, or hand wash with mild detergent. Hang or lay flat to dry to prevent shrinkage.