Niby Jumper - Polar MelangeAmerican Vintage are renowned for their 'basics', pieces that you're going to love for years and years to come. This jumper is no exception to that. In a classic grey toned white, this brushed sweater style jumper is a capsule piece that will easily go with your jeans, tailored trousers or even look particularly great when layered over a autumnal dress for the winter months.