The chief of the German sportswear giant said unpredictability surrounding the tariffs prevented the company from issuing a full-year forecast, but he predicted a price increase for American consumers.

The German sportswear company Adidas said on Tuesday that the increase in tariffs would lead to higher prices for its sneakers and sportswear for U.S. customers.

“Since we currently cannot produce almost any of our products in the U.S., these higher tariffs will eventually cause higher costs for all our products for the U.S. market,” Bjorn Gulden, the company’s chief executive, said Tuesday on a call with analysts.

Mr. Gulden said Adidas had sent extra inventory to the United States to clear customs before tariffs took effect, but he added that the company would eventually feel President Trump’s 10 percent base-line duty increase for all imports.

“Cost increases due to higher tariffs will eventually cause price increases,” he said. “But it is currently impossible to

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