I have been shopping all over London for an excellent navy jacket to no avail for weeks now.
Yesterday in COS I see this jacket and end up buying the whole suit. http://www.cosstores.com/Shop/Men/Tailoring/Wool_and_cotton_blazer/46901-4561366.1#c-5934282
The fabric is beautiful and drapes nicely. It's more "blue" irl, especially in natural light. Best of all, the texture of the jacket allows it to be worn wi jeans, other trousers, etc.
Can post pictures after I have the...