Humanscale Humanscale Diffrient Smart Chair - Quick Ship
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Humanscale Diffrient Smart Chair - Quick Ship

$1,069.00 $1,403.00
(You save $334.00)
QuickBuy models ship in 1-2 weeks
Chair Fit:
Chair Fit:
Chair Fit:
Max Weight:
Up to 300 lbs
Choose Options


QUICK SHIP PROGRAM: GUARANTEED SHIPPING IN 2 WEEKS Humanscale's Quick Ship program delivers products swiftly to our customers. Select models of our seating line — Freedom Headrest, Freedom Task, Liberty, Diffrient Smart and Diffrient World — will now ship in 10 business days or less. 

Ideal for any environment, the Diffrient Smart chair is as simple visually as it is functionally. Using Humanscale’s revolutionary Form-Sensing Mesh Technology the chair adjusts to you. Humanscale’s patented weight-sensitive, mechanism-free recline, Smart automatically adjusts to the body weight of each sitter to provide perfect recline support. Further maximizing the ergonomic range of motion, Diffrient Smart’s high-performance armrests allow users to move their arms backward and forward, as well as inward and outward.

Features and Specifications

  • Automatic, weight-sensitive recline ergonomically accommodates users without the interference of manual controls for ultimate ease of use
  • Distinctive, clean lines that compliment any high design environment
  • Tri-Panel Form-Sensing Mesh Technology provides extraordinary comfort and lumbar support
  • Pivoting backrest promotes freedom of movement
  • Contoured seat cushions are carefully sculpted to fit the body, enhancing comfort
  • Size-adjustable design fits more than 95% of the population - (5’0” Woman to 6’4” (193cm) Man)
  • Optional, high-performance armrests move forward and backward, as well as inward and outward
  • Lightweight structure allows for easy mobility
  • Fewer parts drive sustainable design and efficient manufacturing
  • Weight Limit: 300 lbs. 

Chair Specifications:


a Seat Depth
(from face of lumbar to front of seat)
16" – 19"
b Seat Height 
(floor to compressed front center of seat cushion)
16” – 21” standard chair
15.25” – 19” low chair
17” – 22.25”  tall chair
20.5” – 28.5” high cylinder with foot ring
c Seat Width 21.5"
d Backrest Height 
(from seat cushion to top of backrest)
e Backrest Width 19"
f Armrest Height 
(from compressed seat cushion to top of armrest)
8.75” fixed
6” – 10.5” adjustable
g Armrest Length 12.25" standard
h Distance between Armrests 19" standard
i Height 39.5” – 44.75” standard chair
38.5” – 43.5” low-cylinder chair
40.5” – 46” tall cylinder chair
j Base Diameter 26"
k Chair Width 26.5"


Freedom Chair Eco Impact

- Made from 62% recycled content
- 90% recyclable
- Modular design allows for easy parts replacement, prolonging product life
- Greenguard certified 
- LEED credits available

Downloadable Information:

Chair Specifications: 

Diffrient Smart Chair, Monofilament Stripe Black Back, Corde 4 Black Seat

Diffrient Smart Chair, Monofilament Stripe Black Back, Fourtis Black Seat

Frame Finish

Black with Black Trim 


Fabric for your Humanscale Smart Chair

                                                                     monofilament-stripe-black.jpg                 corde-4-black.jpg                                                                   

Back Mesh: Monofilament Stripe Black Back        Seat Fabric: Corde 4 - Black

   monofilament-stripe-black.jpg                 fourtis-black.jpg

Back Mesh: Monofilament Stripe Black Back        Seat Fabric: Fourtis Black

Humanscale Smart Chair Arms

Adjustable Duron Arms


Chair Cylinders

Standard - 5" - 16" to 21" from the floor


Standard carpet casters