By definition, style is British. Everything finds its origin in that extremely refined world of non written rules which nonetheless determine behavior.
The British Royal aristocracy imposed a type of fashion etiquette nobody could transgress and for this very reason it is still fashionable, simple because it has never been altered
Even the amateur immediately recognizes what we call 'the British style' as an nonconvertible concept of elegance which characterizes not only the garment but also the person who wears it.
British style (dapper dandy) is the 'chic stylish refined' one which matches the real traditional items of your wardrobe with other which seem taken from sport uniforms. The result is an upper class style made of series of elements matches with great simplicity.