Ribbed knit cashmere polo shirt in yellow Arch 4 Mytheresa Navy Cashmere & Merino Knitted Polo Shirt WoolOvers US POLO RALPH LAUREN Cable Knit Cashmere Polo Shirt for Men MR PORTER The Pique Polo Heathered Graphite Everlane. Cashmere and wool polo knit, in Graphite, by No Emotions. The fit allows for movement without interruption. The fit is relaxed, the contrast collar gives interest, especially paired with asymmetric button detailing. Designed to be worn across the week, at a desk, on a train, and everywhere in between. Named after tennis legend Fred Perry, whose signature polo shirts redefined casual wear, we love the polished yet understated look.