Neckties are uncomfortable only if the shirt collar doesn't fit properly when buttoned. (That's one advantage of having dress shirts custom-made: You can have

Neckties are uncomfortable only if the shirt collar doesn't fit properly when buttoned. (That's one advantage of having dress shirts custom-made: You can have the collar made to an exact fit — and also have the sleeves made to the exact length needed to peek from the sleeves of your suit jacket without your having to "shoot your cuffs" à la Daniel Craig's James Bond.)