For a hike I would recommend headphones over these anyday, more portable and easier to use on the go with far better sound quality.

I should also warn people not to have false expectations of the bass; while it's true that the expanding bass chamber design does improve the bass reproduction *marginally* the tiny capsule doesn't even come close to reproducing the kind of lowend you'd hear from a typical set of bookshelf speakers, much less that of an actual sub. In other words, don't expect miracles and the marketing hoopla about the bass chamber is just that... Hoopla.