A pilot I know recently got his first airline job and came by to tell us about the process. He was going on line the next day and admitted that he was heading home to try on his new uniform.
The uniforms are pretty much all the same. We all wear black or navy polyester pants, a black or navy polyester tie, and gold or silver barred epaulettes to slide over the buttoned shoulder loops on the white pilot shirts we already own. No one but a newly hired pilot ever grinned in so much delight at the opportunity to wear so much cheap polyester. Third tier pilots don't wear hats. They're traditionally too young to be balding, so they don't need one.
This pilot reported that, given the choice between a clip-on tie and a real necktie, he had chosen the real tie. I laughed, having made exactly the same decision, for what turned out to be the same reason. There are probably valid safety considerations that should have directed us towards the clip-on, but you look at the ties, and then you look at the stores person issuing the uniform, and you think, "If I'm going to wear a three dollar tie, it's at least going to be tied in a real knot."