Designed by Mike Shields, the Portrait series chairs are available in a sheer knit with upholstered seats, or fully upholstered. It can be ordered as a swivel tilt, knee tilt, fixed height swivel tilt, or synchro tilt. Arms come in polished aluminum, soft chrome, adjustable T in chrome or black. The Knit back is available in 17 knit colors. Arm caps come in black or grey poly. Order the base in polished aluminum, soft chrome, black aluminum, or black nylon. Meets ANSI-BIFMA Standards and has a lifetime structural warranty. GreenGuard Certified with CAL 133 Optional.