While it comes down once again to personal taste you want to keep in mind that if you wear noise canceling over-ear headphones for running you’re putting yourself at a disadvantage on the street or on busy sidewalks. While music can be an invaluable accompaniment to running canceling out all environmental noise may mean you don’t hear that car that’s bearing down on you or that bicyclist who tries to warn you as you drift into his or her travel lane. Many of the best running earphones will allow enough environmental noise through that safety is not compromised.