The Arvid sweater vest from AllSaints makes the ideal elevated staple addition to your knitwear rotation. The piece has been brushed for a soft, fluffy finish and is styled with thick cable-knit panels, an asymmetric hem and side zipped splits to create the effortless laid-back look the brand is renowned for.How to wear Harrods: Style with a shirt, cuffed trousers and ankle boots.