Excerpt: My husband bought these for me as a gift, because I have a horrible time getting the earbuds to stay in my ears, especially while running. I have to say, these things aren't going anywhere! They really do lock into your ears well. My only complaint would be that they make my ears hurt after a while, because they are so tight and my ears are small.
Excerpt: They market these earphones to triathletes and say they are pretty much unbreakable, but I have burned through three pairs of them in months. I was better off with standard earphones. They did get something right though, the earbud cover (red thing in picture above) works great, although it takes time to get used to. The sound is fine, nothing to get excited about. The red pieces stay in place, but are pretty uncomfortable at first.
Excerpt: for the price - these are great - especially since they stay in your ears and seal out a lot of outside noise (I only wear 1 ear in when I need to be able to hear what's going on around me). Sound quality could definitely be better, but there are many out there that are way worse... The silicone caps on the buds really prevent the buds from falling out of my ears which has been a problem with every single other earbud I have tried (including the apple in-ear earphones).
Excerpt: I run and road bike often and wanted to find head phones that fit my ears but I could never find any that were comfortable and that would stay in. These actually stay in my ears and are, for the most part, comfortable. I read several reviews on various websites before buying them and some people complained about the sound quality but I have found that the sound quality is just fine, especially since I'm using them while exercising!