Asiana's A350-900 features a three class configuration with 28 flat bed Business Class seats, 36 Premium Economy seats with up to 3-4" of added legroom, and 247 standard Economy Class seats.
Asiana's A350-900 introduces their "Business Smartium" and "Economy Smartium" services.
Business Smartium is Asiana's Business Class in-flight service that starts with a staggered seat layout, which provides direct aisle access from every seat.
Similar to Business Smartium; Economy Smartium on Asiana's A350-900 provides enhanced comfort with 4 inches of extra legroom. Passengers in this class have easy access to boarding as well as special inflight services that are available each flight.