My first questions would be how much are you willing to spend, how much do you want the noise cancellation to be, and how much do you like your music. Personally i am a huge fan of beats as i own a pair of beats pros and love them. they are a little pricey (400) but I'm glad i spent every penny. i bought them originally because i like the bass and the great quality of music. i used to play basketball and i would listen to my music at a normal volume in the middle of a really noisy gym and i couldn't hear the person next to me. the Pros have built in noise canceling insulation and worked really well. the studios have similar sound quality (maybe a little less) but they require batteries for the noise canceling effect and are made of much less durable plastic while the pros are made of metal. my friend was on the fence of which to get and he went with studios and now he wishes he had spent the extra 100 for the pros. both headphones fit completely over the ear so the discomfort that most headphones give you over time is nonexistant.