As far as preppy charm goes this summer, it’s quite hard to beat this polka dot handkerchief from Gitman Vintage. A soft cotton handkerchief made in Italy, the handkerchief features a nice red trim, and blue and white pattern throughout that channels that nautical feel quite nicely. A great way to add some punch to a linen or seersucker jacket, tuck it into your breast pocket as a makeshift pocket square. Available online now.