Knickers and Hickory on Display at Zurich Throwback Day

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From left, Graeme McDowell, Luke Donald and Rickie Fowler were among the players who donned vintage clothing and played with hickory clubs for a three-hole charity event on Tuesday at the Zurich Classic.
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In honor of its 100th anniversary, Zurich had players dress in 1912-inspired clothing. Puma designed this custom outfit for Fowler.
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Donald traded in his visor for a driving cap.
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Justin Rose was one of several players to break out the plus fours.
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Ben Crane also had a custom outfit made by his sponsor, Hugo Boss.
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McDowell went all-in with tartan plus fours, a driving cap and a bow tie.
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Keegan Bradley opted for a sweater vest and tie.
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Camilo Villegas didn't go with knickers, but he did sport a tie.