Entourage star Adrian Grenier was spotted at the Vail Film Festival in Colorado wearing a black t-shirt with a bright white road bike. The t-shirt was quite appropriate for the occassion since he was receiving the Blue Sky Tribute for environmental activism. Via Ecorazzi
![Bicycling](http://wardrobeadvice.com/wp-content/uploads/2008/05/Bicycling-150x150.jpg)
Celebrities Promote Bicycling on T-Shirts
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