Maximum recommended load
Recommended user height
Adjustable armrests
Maximum recline
Gas lift
Official warranty
Designed to Flex Around the Way You Sit
OBIS Flex combines breathable full-mesh comfort with extensive
ergonomic adjustment. Personalise the chair for focused desk work,
gaming, reclining and everyday relaxation.
- Three-way adjustable lumbar support
- Flexible 5D adjustable armrests
- Sliding mesh seat-depth adjustment
- Height and angle adjustable headrest
- Full-function synchro-tilt mechanism
- Soft PU-padded retractable footrest
Support That Adapts to Your Body
Adjust each major support point around your body, posture and
preferred sitting position.
Three-Way Lumbar Support
Adjust the lumbar height, move it forward or backward and customise
the tension for softer or firmer lower-back support.
5D Armrests
Adjust the armrest height, forward and backward position, tilt,
rotating padding and complete armrest rotation.
Adjustable Headrest
Raise or lower the headrest and change its angle for working,
reading and reclining positions.
Sliding Mesh Seat
Adjust the seat depth from approximately 460 to 510 mm to suit
different leg lengths.
Synchro-Tilt Recline
The seat and backrest move in a coordinated reclining action for
more balanced support.
Padded Footrest
Extend the integrated footrest and rest your legs on its soft
PU-padded surface.
Control the Position and Firmness of Your Support
OBIS Flex allows you to adjust the lumbar support position, depth
and tension. Choose gentler support or a firmer lower-back feel
according to your posture and preference.
and firmness until the lumbar support feels comfortable without
creating excessive pressure.
5D Armrests for Work, Gaming and Reclining
Position your arms comfortably while typing, using a mouse,
holding a controller or leaning back.
- Height adjustment
- Forward and backward movement
- Tilting arm support
- Rotating armrest padding
- Rotating complete armrest position
Move Naturally from Focus to Rest
The full-function synchro-tilt mechanism supports a smooth
transition between upright desk work and relaxed reclining.
Lean back for reading, resting or taking a break between tasks.
Lock the mechanism at available positions according to your
preferred sitting angle.
The seat and backrest move together in a coordinated reclining
action.
Reliable seat-height adjustment for regular home and office use.
Retractable Footrest with Soft PU Padding
Pull out the integrated footrest when you want a more relaxed
sitting position. The soft PU-padded surface provides comfortable
support beneath the legs.
When it is not needed, retract the footrest beneath the seat to keep
the chair practical for normal desk work.
Airflow Across the Backrest and Seat
The mesh seat and backrest allow air to circulate around the body,
making OBIS Flex suitable for long work sessions and warmer
environments.
- Breathable mesh backrest
- Breathable mesh seat surface
- Flexible support without thick foam buildup
- Adjustable seat depth for different leg lengths
OBIS Flex Dimensions
Review the chair dimensions to determine whether OBIS Flex suits your
height, desk setup and available workspace.
Adjustable for Different Sitting Positions
OBIS Flex provides a wide sitting area, adjustable seat depth and
adjustable height for users approximately 155–185 cm tall.
Overall chair width
Overall chair depth
Overall chair height
Adjustable seat height
Adjustable seat depth
Seat width
Backrest width
Headrest width
The stated dimensions should be used as a general reference.
Choose Your OBIS Flex Colour
Select a darker statement finish or a softer neutral colour to match
your workspace.
Black Coral
A dark contemporary finish with coral accent details for modern
offices, workspaces and gaming rooms.
Just Grey
A clean neutral finish suited to bright home offices, minimalist
interiors and professional environments.
Made for Different Ways of Working
Home Office
Extensive adjustment options make OBIS Flex suitable for a
personalised work-from-home setup.
Professional Workspace
Breathable mesh, an aluminium base and BIFMA certification make it
suitable for regular office use.
Work and Gaming
Switch from upright desk work to a relaxed position with adjustable
arms, recline support and an integrated footrest.
Product details
Technical Specifications
| Product | OBIS Flex Ergo Chair |
|---|---|
| Chair Type | Adjustable full-mesh ergonomic chair with footrest |
| Recommended User Height | Approximately 155–185 cm |
| Maximum Recommended Load | Up to 135 kg |
| Backrest | Breathable mesh ergonomic backrest |
| Seat | Breathable mesh seat with sliding depth adjustment |
| Lumbar Support |
Height adjustable, forward/backward adjustable and tension adjustable |
| Headrest | Height and angle adjustable |
| Armrests |
5D adjustment: up/down, forward/backward, tilting, rotating padding and rotating complete armrest position |
| Mechanism | Full-function mechanism with synchro-tilt movement |
| Recline | Up to approximately 145° with lock positions |
| Footrest | Retractable footrest with soft PU padding |
| Gas Lift | Class 4 gas lift |
| Base | Aluminium five-star base |
| Castors | PU silent caster wheels |
| Certification | BIFMA certified |
| Overall Chair Width | Approximately 700 mm |
| Overall Chair Depth | Approximately 670 mm |
| Overall Chair Height | Approximately 1170–1230 mm |
| Seat Height | Approximately 445–500 mm |
| Seat Depth | Approximately 460–510 mm |
| Seat Width | Approximately 505 mm |
| Backrest Width | Approximately 540 mm |
| Headrest Width | Approximately 400 mm |
| Available Colours | Black Coral and Just Grey |
| Warranty | 2-year official warranty |
Year Warranty
Covered by a 2-Year Warranty
OBIS Flex is covered by a 2-year official warranty according to
UDESK and OBIS warranty terms. Coverage applies to eligible
manufacturing defects.
Damage caused by misuse, accidents, improper assembly, unauthorised
modification or normal wear is not considered a manufacturing
defect. Keep your proof of purchase for verification.
OBIS Flex FAQ
Is the OBIS Flex seat made from foam or mesh?
OBIS Flex uses a breathable mesh seat and mesh backrest. It is
designed for airflow and flexible support rather than a thick foam
sitting surface.
How can the lumbar support be adjusted?
The lumbar support can be raised or lowered, moved forward or
backward and adjusted for tension. This allows users to
personalise its position, depth and firmness.
What user height is recommended?
OBIS Flex is recommended for users approximately 155–185 cm tall.
Comfort can vary according to torso length, leg length and sitting
preference.
How much weight can the chair support?
The maximum recommended load is up to 135 kg. The chair should be
used normally on a stable and level floor.
What can be adjusted on the 5D armrests?
The armrests provide height adjustment, forward and backward
movement, tilting, rotating padding and rotation of the complete
armrest position.
Does OBIS Flex have reclining lock positions?
Yes. The full-function synchro-tilt mechanism includes locking
positions and supports recline up to approximately 145°.
Does the chair include a footrest?
Yes. OBIS Flex includes a retractable footrest with soft PU
padding. It can be stored beneath the seat when it is not in use.
Is OBIS Flex BIFMA certified?
Yes. OBIS Flex is BIFMA certified and uses a Class 4 gas lift,
aluminium base and PU silent caster wheels.
Are the dimensions exact?
Measurements are taken manually and may have slight variations.
They should be used as a general reference when checking chair
compatibility with your workspace.
Flexible comfort for every position
Find Your Most Comfortable Sitting Position
Choose Black Coral or Just Grey and experience adjustable full-mesh
support for focused work, gaming and everyday relaxation.





























