"Adjustable backrest" refers to a chair or seating feature that can be moved or changed to suit individual preferences.
Sentences with «adjustable backrest»
They also include electrically adjustable backrest tilt for the outer seats, specially designed head restraints and a center armrest with integral Touch Command unit. (topspeed.com)
Seats with adjustable backrest width are part of the sport package. (automobilemag.com)
They included some features for increased comfort, too, like inflatable seats with adjustable backrests. (geekwrapped.com)