She shared her compassion, her pain, her love
She only stayed with us long enough to teach
The world to share, to give, to reach.
When I saw Kate's coat, it immediately made me think of those boxy leather coats pilots in WW I (like the Red Baron and Lanoe Hawker) used to wear. Since they were visiting a WW I memorial and exhibition, it wouldn't surprise me that the coat was designed with those coats in mind.
It is now possible to order a custom sized coat inspired by the one worn by Kate today at the Tatiana's Delights Etsy shop. The price for such a coat will be $259. This coat will be made of a wool/polyester blend and will also feature a belt oversized pockets, and pleats on the back. It is also possible to order this coat in other colours.
I've also tried to find nice replikates for Kate's outfit of today online and put them together in the collage below.