The security camera footage shows Sierra eating alone in the food court of a shopping mall near the hostel where she was staying and walking around the mall, dressed in jeans, a brown leather jacket and a winter hat, her hands in her pockets.

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We also showcased several innovations from the intersection of fashion and technology -- a light-up Twitter dress, a pair of "Social Denim" jeans that let you update your Facebook status on the fly and a brilliant "Rocking Knit" chair that uses kinetic energy generated from the chair's gliding motion to knit a winter hat while you sit.

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Gould often dressed in a hat, goloshes and a winter coat while in the recording studio.

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Thames Valley Police officers can now keep warm in the winter weather with a uniform-issue woolly hat.

BBC: Thames Valley Police allows woolly hats for officers

He went on to emulate Oreiller's golden hat-trick, at the Grenoble Winter Olympics in 1968, and his pursuit of speed and glory once saw him complete a trial race on one leg, legend has it, having broken the other one en route to the finish line.

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For the past 10 years, he's the guy you've seen on the sidewalk, with the great body, strumming his guitar and singing, dressed in a cowboy hat, cowboy boots and underwear -- and nothing else, even in the dead of winter.

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