It's that time again Under Armour (NYSE:UAA) shareholders! The fast-growing athletic apparel specialist is set to announce earnings Thursday morning, so you should be thinking about what to expect.

To help get you started, the Fool's Steve Symington is offering three things he's watching with Under Armour in the video below. Specifically, Steve's keeping an eye on how Under Armour is managing inventory, whether management will stick by their cautious 2014 guidance, and how the timing of Under Armour's shipments may affect quarterly growth in footwear and international sales.

To hear Steve's full take on how these items should influence investors' thinking, check out the video below.