I wear this while at my first job as an auto tech and my second job as a part-time police officer. These hats are the perfect size overall. It fits down over my ears without muffling sounds too much. The Underarmour and 5.11 Tactical hats don't cover your ears and they seem to be really loose. They are also very warm on those long winter nights! I was stuck in 2 hours of downpour and while it was thoroughly soaked, it still helped keep my head warm! After a few washes they tend to thin out and become a little less effective but for the price, I am willing to buy one or two a year especially since I wear it on a nearly daily basis.