They're ash and dark navy, but the navy is so dark it almost looks black. They're longsleeve, normal fit, and reminiscent of the older collegiate Riv shirts that Mark always wears. But instead of "1994" in the oval, we have the new mathematical equation, also known as the Pythagorean Theorem, that proves that nothing is geater than or even equal to a bicycle.
They'll shrink a bit in the dryer, but buy your normal tee shirt size anyway. Vince here (5'10 180 or so) is wearing a unshrunk large.