Any good recommendations for noise canceling headphones?

Current MS2 and studying for Step 1/COMLEX. Currently using the typical iPhone earbuds and they aren't cutting it.

Preferably around $150. $200 max. Noise distractions have become an issue.

Thanks in advance for any advice.

Source: Student Doctor Network - January 7, 2018 Category: Universities & Medical Training Authors: Dreamstoo Source Type: forums