Cathay Pacific will use the B/E Aerospace MiQ seat as their new premium economy seat.
Interestingly, this is the same seat that American Airlines will be using for their international premium economy product that will debut later this year on the Boeing 787-9 and is also using on reconfigured legacy US Airways Airbus A319s for first class (sans footrests).
Naturally, though, Cathay’s will be better.