Black Cashmere Blend Maxi Dress. For those of you who like to inject some lux into your fashion look this season, check this out. This stunning high neck racerback ruched modal cashmere blend maxi dress from Oh Polly is designed to turn heads. This stylish figure hugging dress is dual lined and has that super sexy side split for easy movement. This new arrival is the perfect dress to have for the busy season ahead. This also available in Taupe shade.