Not yet as far as I know, but the home one is said to be black and black socks, pink I guess will be black too with pink socks, and the third will have some sort of gradient from black to white (?) with white socks IIRC
I thought it said white shorts, white socks in the link.
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Adidas branding, as iconic as Juve's black and white stripes are, Adidas 3 stripes are equally iconic. Juve could have turned down the money from Adidas if they didn't want the stripes.
Also, the club signs off on the jerseys. Adidas shows them what they have designed, and if the club's marketing and merchandise directors agree, then the board sees them. ... so Agnelli gets what Agnelli wants.