THE ROOM
Keep the profile in mind
The low-back design keeps LINIE visually compact. Check the published dimensions rather than using the lifestyle images to judge its size.
SIDIZ LINIE Compact Ergonomic Chair
Pre-order
LINIE (formerly T25)
Fits Anywhere, for Anyone
TXNA250F-451M
360 VIEW
360 VIEW
LINIE (formerly T25)
Fits Anywhere, for Anyone
TXNA250F-451M
13%
$389.00
$449.00
Price includes GST. Shipping calculated at checkout.
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Pre-order delivery
This option is currently unavailable to order. Dispatch timing does not apply to this selection.
Estimated dispatch
Sequential dispatch from early November 2026
Pre-order delivery
Your product page and cart show the current estimated dispatch timing for this pre-order allocation. Delivery begins after dispatch and varies by destination.
Assembly
Delivered flat packed
Five-year limited warranty
SIDIZ Australia provides a five-year limited warranty unless a different period is stated for the product or component.
Before you buy
Updated seat finish
LINIE chairs manufactured from October 2022 include an added seam along the side of the seat as part of a product improvement. Your delivered chair may therefore differ slightly from older styled photography.
BASIC INFO
Product name
SIDIZ LINIE Compact Ergonomic Chair
Model
T250 / TXNA250
Included
Chair and assembly guide
Main materials
Fabric, mesh or flexible polymer, moulded foam, nylon and steel
Backrest
Flex or Mesh
Frame and colour
White / Warm Grey
White / Sand Beige
White / Ash Green
Black / Charcoal
Maximum load
125 kg
Warranty
5 years with product registration
FITS ANYWHERE, FOR ANYONE
LINIE
LINIE moves beyond the bulky office-chair convention with a minimal computer and desk chair that settles naturally into the room. Its headrest-free, low-back structure keeps smaller spaces visually open while supporting everyday work and study.
Choose your LINIE
Flex backrest
A light, flexible polymer backrest with an open rhythmic structure.
Mesh backrest
A breathable mesh backrest for light, comfortable support.
MINIMAL DESIGN
Minimal design that blends into the space
A refined curved silhouette
Soft curves give LINIE a composed profile that feels at home beside living, study and work furniture.
An uncluttered lower structure
Controls and supports are resolved into a clean base, keeping the chair visually light from every angle.
Spaces completed with LINIE
Home office
Student room
Living room
Small space
EASY FOR ANYONE, ANYWHERE
Simple, comfortable operation for anyone
Auto-fit tilt that adjusts by itself
Lean back and LINIE responds without a complicated tension setup, supporting an easy change from upright focus to a relaxed posture.
Generous proportions for different sitters
A broad seat and supportive back make LINIE comfortable for a wide range of everyday users.
A compact structure with only the essentials
A lower backrest and headrest-free silhouette preserve openness in smaller rooms without losing the functions used most often.
Considered detail within a simple form
Mesh backrest
Breathable mesh keeps the back supported with a visually light finish.
Flex backrest
Flexible ribs respond gently to the body while giving LINIE its distinctive profile.
Simple controls within reach
Adjust seat height and lock the tilt from a natural seated position.
Streamline seat distributes pressure
The seat surface is shaped to spread weight more evenly across the sitting area.
Set it for your body
Adjust seat height so your feet are supported and your elbows meet the desk comfortably.
When it is time to focus
Lock the backrest upright for concentrated work, then release it when you want to recline.
Products that pair well with LINIE
STEPO footrest
Add stable foot support for shorter sitters or higher desks. Australian availability may vary.
FUNGUS seat booster
A portable seat booster for changing where and how you sit. Australian availability may vary.
The Progressive Bag
A SIDIZ carry bag designed for everyday progress. Australian availability may vary.
LINIE | Easy Repair
Type A urethane castors
Compatible replacement parts are subject to availability from SIDIZ Australia.
Type A sit-brake castors
Compatible replacement parts are subject to availability from SIDIZ Australia.
Type A glides
Compatible replacement parts are subject to availability from SIDIZ Australia.
Five-year limited warranty
SIDIZ Australia provides a five-year limited warranty unless a different period is stated for the product or component.
Warranty coverage is additional to your rights under the Australian Consumer Law. See the full terms for exclusions and the claim process.
Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.
This warranty is in addition to, and does not limit, exclude or modify, the rights and remedies available to you under the Australian Consumer Law.
BEFORE YOU CHOOSE
A compact chair. A considered choice.
Looking for T25? SIDIZ LINIE Compact Ergonomic Chair was previously known as T25.
LINIE is a headrest-free desk chair with a low-back silhouette. Compare the available backrest options and adjustment controls, then check the fit at your desk.
Check your selected configuration and current delivery information before ordering.
THE BACKREST
Compare the available options
Review the Flex and Mesh backrest descriptions and the configuration shown in the purchase panel. Choose the option that suits the feel you prefer.
THE SETUP
Plan your seated position
Check seat height and desk height together. The fit guidance below explains when a footrest may be useful, depending on individual proportions.
LINIE dimensions
- Recommended user height
- Approximately 150 cm and taller
- Maximum load
- 125 kg
- Flex version weight
- Approximately 13.7 kg
- Mesh version weight
- Approximately 13.2 kg
- Measurement tolerance
- Approximately +/-20 mm and +/-1 kg
*Measurements may vary by plus or minus 20 mm and 1 kg depending on the method and location; this is not a product fault.
*Dimensions are measured with nobody seated.
*Seat height is measured at the centre of the seat.
*Dimensions are measured with nobody seated.
*Seat height is measured at the centre of the seat.
Before using LINIE
Take care while reclining
Keep hands and objects clear of moving points below the seat while the chair reclines or returns upright.
Current front-edge finish
The front edge of current production seats has a more defined finish than earlier photography may show. This is a product finish update, not a fault.
FAQ
What height is LINIE recommended for?
LINIE is recommended for people approximately 150 cm and taller. Depending on individual proportions, some people at or below 160 cm may not be able to place both heels flat on the floor. A footrest such as STEPO can help support a stable sitting posture.
What is the maximum load for LINIE?
The maximum recommended load for LINIE is 125 kg.
How much does LINIE weigh?
The LINIE Flex weighs approximately 13.7 kg, while the Mesh version weighs approximately 13.2 kg.
Sit in one before you decide
Showroom visits are available by appointment. Contact us before travelling so we can confirm the model and configuration you want to try.
11 Ferndell Street, South Granville NSW 2142.
Contact centre
SIDIZ Australia support
Product, delivery, service and returns
support@sidiz.au
Monday to Friday, 9:00 am to 5:00 pm AEST
Closed weekends and public holidays
For warranty and faulty returns, review the published warranty terms before contacting support.