Scarfs because it just looks Operator but of course also to protect your neck.
You wouldn't say it, but scarfs are a nice addition to your tactical gear precisely because they can be used in so many different ways.
A scarf can of course be wrapped around your neck to give your neck some extra protection, you can do it in front of your face so you have a little face protection but you can also put it over your airsoft gun to camouflage it.