Madewell Donegal Belmont Mockneck Sweater in Coziest Yarn. Color: Donegal Storm. Made of our signature Coziest Yarn in Donegal flecks, this mockneck sweater is kitten-on-a-cloud soft. One you'll wear all season long—the textural Ottoman stitch keeps things interesting. Regular fit. Body length: 22 1/4". Nylon/acrylic/wool/poly. Hand wash. Import. In excellent condition - rarely worn.