It's just a plain case; no clip. But the phone is a pretty good fit for a trouser pocket (feels noticeably heavier than my old Touch Cruise, but as it is smaller overall, it is less obtrusive).
It fits a shirt pocket fine, but it doesn't look exactly elegant.
Nokia Lumia 920 / WP8
Blue Angel (MDA III)
Hermes (MDA Vario II)
HTC Touch Cruise (Polaris) - being used by wife as a pocket GPS
HTC Touch Pro (Raphael) - sold on eBay
HTC Touch Pro 2 (Rhodium) - failed, owing to immersion in fruit juice
Dell Venue Pro, Nokia Lumia 800 & Samsung Omnia 7 / WP7
Turnipsoft, Developer of Freda, the free ebook reader for Windows Phones