It's from the first Valentino collection by Alessandro Michele (the guy who made Gucci to Harry Styles' taste) and it was modelled very nicely by Queer actor Drew Starkey on the SAG Awards' blue ...

Much like their heavenly T-shirts, Sunspel’s meticulously crafted Riviera Camp Shirt is built from a cool cotton mesh directly ... Todd Snyder’s thought of everything: his Maze camp collar ...