http://beyondadornment.com/
The basic concept of the OrbiTee is visual representation of the position and tilt of the earth during certain times of the year, in regards to the sun. These parameters determine the seasons, and amount of daylight we humans get. Since the sun is in the middle of the shirt, it show that the earth revolves around you...
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Adult sizes available in Organic Black
front & back


Children sizes available in Galaxy Organic
front & back


Here's a video of Jon Fisher, the creator of the shirt, with his adopted daughter showing off the shirt.