Buy Pure Cotton Striped Full Sleeve Polo Shirt at Marks & Spencer 100 Percent Cotton Polo Shirts A Bit of U Pure Cotton Striped Polo Shirt FatFace M&S Vintage striped soft cotton polo shirt I got from Depop. Saint Laurent's cotton polo Shirt is an essential piece with a classic and refined design. Featuring a traditional collar and a tone on tone three button front placket, it has short sleeves and a regular fit for comfort. The embroidered CASSANDRE logo on the front adds a distinctive detail, while the straight hem completes the look with understated elegance.