Skip to product information
1 of 3

Office Master

Office Master AF428 Affirm Executive High-Back Chair

Office Master AF428 Affirm Executive High-Back Chair

Regular price $525.20
Regular price Sale price $525.20
Sale Sold out
Ships within 2-4 weeks

Customizations Total: $0.00

Perfectly suited for users of medium to larger statures. 300 lbs max.

The Office Master Affirm AF428 Executive High-Back Chair features a 5 stage locking tilt and Synchronous seat/back tilt which provide the basis for proper ergonomics, while seat depth adjustment and EZ back height adjustment offer the ability to fine tune your most comfortable and healthy fit. Stylish polished aluminum base standard.

AF428 Affirm is available in 2 seat sizes, both designed with extra waterfall curve & sit-as-you-like comfort. Flexible options ideal for Task, Executive and Conference environments.

Optional equipment available includes a wide variety of Arms, Casters, Cylinders, Memory Foam Seat Sub-layer, Seat Size, and Upholstered Back (plastic shell standard). See below for more detailed information.

A wide variety of 5 fabric grades as well as leather available with 429 total color options. See link to Fabric and Color catalog below:


Features & Benefits:

  • Pneumatic lift
  • 5-stage locking tilt
  • Synchronous seat/back tilt
  • Independent back tilt
  • Side mounted tension knob
  • Easy back height adjustment
  • Sliding seat
  • Polished aluminum base
  • Dual-tone oversize casters


  • Seat Height Range: 17" - 22"
  • Back Dimensions: 18.5" w x 21" h
  • Standard Seat Dimensions: 19" w x 17.5" - 20.6" d
  • Large Seat Dimensions: 20.75" w x 17.5" - 20.6" d 
  • Overall Width: 27"
  • Overall Height: 38"-46.25"
  • 12 year Limited Warranty 




  • 5" Black (standard) - Seat height range: 17"-22"
  • 5" Chrome - Seat height range: 17"-22"
  • 5" Black Heavy Duty - Seat height range: 17"-22"
  • 4" Black Heavy Duty - Seat height range: 16"-20"
  • 6" Black Heavy Duty - Seat height range: 18"-24"

Memory Foam Seat Sub-layer (optional):

  • Concealed memory foam upholstery layer added underneath regular HR foam cushion for additional comfort, even while preserving contemporary styling contours for higher-design models.

Seat Slider (standard):

  • SLD - Seat depth adjuster, for that perfect fit of back and seat.

Headrest (optional):

3-way adjustable upholstered headrest with Affirm/Yes Series mounting hardware (upholstered in black leather-like material).

Upholstered Back (optional):

  • Matching fabric applied onto outer back shell of small chairs (Fabric Grades 1-4).

  • Matching fabric applied onto outer back shell of small chairs (Fabric Grade 5).

  • Scratch-resistant & extra-durable Ballistic Nylon applied onto outer backshell.


View full details