Well to be fair they where not advertised as headphones for the gym. Sony does have different ones intended for the gym as you probably know.The design is possibly the worst I have seen particularly for a large company. They are useless for exercise both because they move constantly and because Sony didn't add any sweat protection. They do sound good and the ANC is decent but the drawbacks kill them. If I can't move and sweat why bother? Just use a wired desktop setup. The new 800s seem to address the shortcomings. I predict they will cannibalize the 1000s.
As I mentioned a week or so back, I wore mine outside blowing leaves with my gas leaf blower and not only did they stay in my ears but they blocked most of the sound from the leaf blower.
I'm using Spinfits on the Sonys and they sound great and stay put.
I so admit they look bad but it doesn't bother me.