The Economy Class Seat.
Great design, more personal space.
Designed for comfort.
This 17.2~17.8-inch wide seat with 118-degree reclining back support has 32 inches of space between you and the next row of seats, and provides personal comfort unlike any other economy-class seat.
(B737-800, B737-900ER: 113-degree reclining back support
B737-900: 113-degree reclining back support, 30~31 inches of space)