Your ideal jacket will depend on more than your height and favorite color: also take into consideration body shape, expected climate (e.g. are you hiking the Alps or just dreary London weather?), budget, environmental / sustainability concerns, and more. Nonetheless here are some brands which will most likely fit your needs, courtesy of https://www.reddit.com/r/BuyItForLife

- [Arc'teryx](https://arcteryx.com/us/en/c/mens/insulated-jackets): These are designed to be insulating and as waterproof as possible for tough conditions, though there are also lighter-varieties. If you want the former, make sure to get a triple-insulated waterproof jacket. They have all sorts of colors including grey and all sorts of sizes. They are quite expensive, but built to last
- [Patagonia](https://www.patagonia.com/shop/jackets): Similar To Arc'teryx, this company is notable because it is non-profit and the founder donated $3 billion. So not only can you get a great jacket, but you can be comfortable spending money on it knowing the money is more likely to go to good causes
- [Carhatt](https://www.carhartt.com/c/men-coats-jackets): Another great option, though I don't have much to say

As mentioned, I recommend you get a triple-insulated waterproof jacket if you expect heavy rain or snow. If you expect to be cold, more layering is usually the option: get an undercoat or Eskimo-style winter coat. If you are in lighter weather, you may be fine with a very thin jacket, while heavier weather may warrant a thick down coat.

While the above are generic brands, they have a variety of options, including gray, and I'm sure they will have jackets your size. But ultimately, I highly recommend going to the store and trying a few jackets yourself by putting them on and feeling for comfort, before you make your final decision. Good luck, and feel free to ask any further clarifying questions.
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