I got the harrington in stock 46 bomber sizing and it fits exactly like I wanted it to (for ref, I am 5'8" and 145-150lbs and stock size S or 36 OTR in most brands usually fits me perfect). Could not be happier with it. I specifically asked for the inside to be bemberg rather than the tartan lining - I don't mind tartan but it's not what I was going for with this piece. They also put leather on the inside of the zipper as I requested so you don't see the lining while it's being worn.
This is literally the nicest casual jacket I have ever owned (and I have owned two TOJ jackets). I'm amazed this is an "off the menu" style; IMO this should be one of Falcon's flagship items. The khaki is an amazing color and the website pictures do not do it justice - it is a much warmer, richer color - probably "honey" would be a good description. Also my first experience with lamb suede - amazing material and surprisingly thick, while also being incredibly soft.
Seriously love the Harrington. Almost tempted to order another one in Persian blue (as shown earlier in this thread) or sand lamb suede. Think this would also work well in a light gray lamb suede.