It’s hard to judge the Eléga Pouch from the video alone, but it sure looks thick.

[youtube]http://www.youtube.com/watch?v=8-A3C1uQAog[/youtube]

Other than the thickness of the case, I’d have concern that the iPhone might slip out when wearing it horizontally.  It’s missing a protective flap to keep the iPhone from sliding out.

Review: Sena Apple iPhone Elega Pouch [via cheapedia, thanks Jared]