There's a reason that Whistles has earned its place as a high street stalwart – the London label is somewhat of an expert when it comes to whipping up simple seasonless styles, trend-transcending cuts and painterly prints. Its considered womenswear collections are replete with pieces primed to wear for any occasion, whether you're a wedding guest, going to work or heading out for brunch at the weekend. Whistles organic-cotton top100% organic cottonSlips onBoxy fit, round neck, long sleeves, all-over stripe patternMachine wash mildTrue to sizeMidweight, non-stretch. Colour: red