Heidi Ribbed Cardigan sweater from Silence + Noise. Cozy knit cardigan features a rib soft rib knit fabrication with buttons at the bust that create a peek-a-boo moment we love. Only at UO. Reimaging timeless styles with a modern edge, Silence + Noise transforms staple pieces into statement pieces. Melding together unexpected textures, patterns and cutouts, each design is bold yet effortless at the same time.