Here is a pair of sunglasses with a waterproof design that lets you capture 1080p video of your adventures. CYCLOPSH20 Video Sunglasses have an internal 32 GB microSD card. You also get polarized UV 400 iridium lenses.
The Cyclops H2O vibrates when you are recording. It lets you record video for up to 4 hours. Costs under $250 at this time.