We called it that because The Rules state that you always have to have two matching bottles on your bike. And these 22 ounce shorties are meant to fit better in your full suss machine - if they don't, we blame your bike brand. With a smoky gray base, superimposed with the classic OZ Trails logo, and finished off with the flashy white lid - we heard white helmet, shoes and bottle tops are the new trend on dirt. That's what the lycra-clad XCer's said anyway. No? Specialized Purist 22 oz, with Moflo 2.0 top