The intelligent, ergonomic design of the Everest Office Chair provides a host of features to keep you comfortable for all day use. It has a padded breathable black mesh fabric seat and back with cool gray nylon and black polypropylene arms. Features include synchro tilt that reclines the back at a 2:1 ratio to the seat for a more natural reclining position, flip-back arms that stay out of the way when not needed and integrated lumbar support. This modern office chair has a waterfall seat edge that reduces pressure to the back of the knees and five hooded casters allow for mobility around the office. Meets or exceeds ANSI/BIFMA standards.