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MANCHESTER, England — The sleeves had to change.
For the last five years, Arsenal’s jerseys were produced by the German sportswear brand Puma, and they had always featured a version of what is known as a raglan sleeve, in which the color extends all the way to the collar.
Last October, though, Adidas replaced its rival as Arsenal’s apparel manufacturer. And in the eyes of Adidas designers, Arsenal has always been a set-in sleeve sort of a club. As Inigo Turner, the company’s design director, put it, the set-in sleeve is part of “Arsenal’s DNA.