I visited Birkenstock's fashion-forward SoHo store and was impressed by the range of styles, including sneakers, heels, and boots

• Birkenstock debuted on the New York Stock Exchange this month.
• The German shoe brand's IPO missed the mark, but analysts say the company has upside.
• I visited the Birkenstock store in Soho to see how the company is approaching its retail footprint.

Earlier this month, Birkenstock's highly-anticipated IPO took an unexpected turn.