Man, you're making me feel big now... 46" chest here
I guess you're still young.
I have a Watson CGA vest and I REALLY enjoy it. The style is great and it's very comfy, and I would be surprised if they didn't make it in your size.. the only issue is the price 100 or so...
I will however give another recommendation for the Sterns vests.. they are actually really nice. I had one for years, it's just gotten a bit stretched of late (since it's also the boat vest), so I got another for personal use. Great deal!