I know this is a silly question - but I have a hard time finding a definition of what constitutes "open carry" here in Colorado? I'm fairly certain I can tell when something is well concealed for CCW, but how open does carry have to be to be "open"?
Well, you can legally wear it on your head, but I wouldn't recommend it. Neck strain.
The best definition of Open Carry I've heard is: "Directly observable and recognizable as a firearm by a casual observer." "Directly observable" means "eye to gun, with no fabric between." This clause is designed to eliminate "printing," when a firearm is concealed, but it's outline or shape details might show through the fabric.
Similarly, the best definition of Concealed Carry I've heard is: "Not directly observable or recognizable as a firearm by a casual observer."
Personally, I'm a huge fan of Constitutional Carry, which allows people to carry any way they see fit, as well as to go back and forth. Case in point: I went hiking with a friend in Garden of the God's Park on Saturday. I arrived OCing, and since I don't like to walk long distances, particularly over rough terrain while OCing, I was removing it for stowage in my water pack when my friend walked up and said, "Oh! Do you always carry that around with you?" I answered, "Yes, pretty much," which opened the door for the first ten minutes of conversation.
I suppose I made an impression, as she wants to go hiking with me again next weekend!
Back on topic... As OC is legal here in Colorado and CC is with a permit, I was good. Nor is there any prohibition about going back and forth, so if you have a CHP and your jacket blows open for a moment, it's all good. This is one of the reasons why I don't like the definition of CC as "no one should know you're carrying," particularly when my family, most of my friends, and an occasional passerby knows I'm carrying.