GX Signature • STC Designer • RTC High-Performance v
ONEX gaming chairs deliver ergonomic comfort, premium finishes, and solid stability. Crafted to elevate every gaming session.
Popular searches
- High-end
- Portable
- Soulful
- Speaker
ONEX
ONEX GE300 Breathable Ergonomic Gaming Office Chair
The ONEX GE300 Breathable Ergonomic Office Chair is designed to support long hours of focused work with comfort and airflow in mind. Its breathable construction and ergonomic form help reduce...
$399.00 AUD
Unit price
Regular price
per
Color
Black/Blue
4.94 / 5.0 · 17 reviews
Warranty: 1 year
Australian delivery options30-day change of mind returns
Delivery estimates, costs and postcode enquiries
Australian delivery
Published delivery estimates: metro 3–7, regional 5–10 and remote/rural 7–14 business days. Order processing is generally 1–3 business days.
These are general policy estimates, not a postcode quote or a guaranteed arrival date. Check pre-order dispatch timing separately.
Shipping charges and available services are calculated for your address at checkout. Australia only; PO Boxes and Parcel Lockers are excluded by the current policy. Remote locations and bulky freight may need confirmation.
Read shipping details · Ask about your postcode and productCare instructions and warranty support ↓
ONEX GE300 Breathable Ergonomic Gaming Office Chair
$399.00 AUD
Unit price
Regular price
per
ONEX GE300 Breathable Ergonomic Gaming Office Chair
Color
Black/Blue
A CLOSER LOOK
Get to know your next upgrade.
ONEX GE300 Breathable Ergonomic Gaming Office Chair
The ONEX GE300 Breathable Ergonomic Office Chair is designed to support long hours of focused work with comfort and airflow in mind. Its breathable construction and ergonomic form help reduce heat build-up while promoting healthy posture throughout the day.
Key Features:
Breathable Mesh Back: Encourages continuous airflow to keep you cool during extended sitting.
Ergonomic Seating Structure: Supports the natural curve of the spine for improved posture.
Height & Tilt Adjustability: Allows easy customisation to suit different desk setups.
Supportive Cushioning: Provides balanced comfort for all-day office use.
Sleek Professional Finish: Clean black design suits modern office and home workspaces.
Ideal for professionals and home office users who prioritise breathability and ergonomic support, the gaming office chair is a reliable choice for everyday productivity.
ESIGNED FOR COMFORT & PERFORMANCEPREMIUM GAMING SEATS ENGINEERED FOR PERFORMANCE.TWO-DIRECTIONAL HEADREST - ANGLE ADJUSTMENT |
Rocking Mechanism - ADJUST THE ANGLE 90 – 135°
|
ADJUSTABLE SEAT DEPTH - MOVE THE SEAT FORWARD AND BACKWARDADJUST SEAT HEIGHT & DEPTH
Use the lever on the left of the chair to move the seat forwards and backwards. Hydraulic gas lift allows for seat height adjustment with a 360-degree swivel |
DJUSTABLE LUMBAR SUPPORT |
HIGH TENSILE MESH FABRIC
HIGH TENSILE MESH FABRIC |
THE DETAILS THAT MATTER
Dimensions & specifications
Compare the published specifications with your space and everyday needs.
| Model name | ONEX GE300 |
|---|---|
| Product Code | ONEX-GE300-B, ONEX-GE300-BB, ONEX-GE300-BR, ONEX-GE300-BW, ONEX-GE300-BP, ONEX-GE300-BV, ONEX-GE300-BG |
| Available colours | Black, Black/Blue, Black/Green, Black/Pink, Black/Red, Black/Violet, Black/White |
| Weight Capacity | 125kg max |
| Hours of Use | 8 hours plus |
| Warranty | 1 year |
| Overall dimension (WxDxH) | 67cm x 68cm x 118–128cm |
| Foam type | High Density New Cut Foam |
| Mechanism type | Synchro |
| Seat Depth Adjustment | Yes |
| Tilt Tension Control | Yes |
| Adjustable Armrests | Yes - One Dimensional |
| Adjustable Back Tilt | 90°–135° |
| Adjustable Chair Tilt | Yes |
| Lumbar Support | Built in Adjustable |
| Head Support | Adjustable height and angle |
| Gas lift class & height | Class 4, 100mm max. |
| Base size and type | 350mm nylon base |
| Caster size & material | 60mm nylon caster |
| Back and Seat Cover material | High tensile mesh with PVC |
| Backrest dimension (WxH) | 50cm x 76cm |
| Back Frame type | Nylon |
| Seat dimension (WxD) | 53cm x 51cm |
| Seat Thickness | 10 cm |
| Armrest Height range | 7cm |
| Armrest materials | PP + PU |
| Product weight | 15.5kg |
| Package dimensions | 73cm x 36cm x 66cm |
| Package weight | 19kg |
| Assembly time | 30min |
BEFORE & AFTER YOUR ORDER
Delivery, returns & support
Delivery to your address
Australian delivery
Published delivery estimates: metro 3–7, regional 5–10 and remote/rural 7–14 business days. Order processing is generally 1–3 business days.
These are general policy estimates, not a postcode quote or a guaranteed arrival date. Check pre-order dispatch timing separately.
Shipping charges and available services are calculated for your address at checkout. Australia only; PO Boxes and Parcel Lockers are excluded by the current policy. Remote locations and bulky freight may need confirmation.
Read shipping details · Ask about your postcode and product30-day change of mind returns
You have 30 days after receiving your item to request a change of mind return. Items must be unused, with tags, in their original packaging, and accompanied by proof of purchase. The customer pays return shipping; custom-made products are excluded from change of mind returns.
Your rights for faulty goods under the Australian Consumer Law are separate and are not limited by this change of mind policy. Read the full Refund & Return Policy.
Warranty for this model
Published product warranty: 1 year. Coverage and conditions are model-specific. For warranty information or help with a claim, visit warranty support or contact ONEX with your order number and product details.
Choosing your size and colour
Check the measurements above and compare them with a chair or desk that fits your space. Select an available colour at the top of this page. Crossed-out options are currently unavailable; ask ONEX about availability or alternatives.
MAKE IT YOURS
Complete your setup
Explore a matching category or add an available accessory.
ONEX Nexus Gaming Desk 1200
$169.00 AUD
CARE & SUPPORT
Keep your setup ready for everyday use
Cleaning and upholstery care
Follow the instructions supplied with your exact model. Gently remove dust and loose debris. Avoid soaking upholstery, abrasive products and solvents. Confirm the material and approved cleaning method with ONEX if the instructions are missing or unclear.
Check the seat and back materials separately. A product photo or range name does not identify every surface. Do not apply a fabric or leather treatment unless the product instructions allow it.
Chair checks and moving parts
Assemble and adjust the chair according to its instructions. Periodically check the specified fasteners and remove debris from castors. Use only compatible parts and follow the product's stated load limit.
Stop using a chair that has a damaged base, loose structural part or malfunctioning adjustment. Contact ONEX before attempting a repair. Do not open, modify, heat or puncture a gas lift.
Desk surfaces and electric mechanisms
Clean the desktop as directed for its finish and avoid leaving moisture on surfaces or joints. Keep cables clear and check their slack throughout the desk's intended height range. Observe the model's load and accessory limits.
Keep hands and objects clear of moving components. Follow the manufacturer's instructions for electrical safety, resets and troubleshooting. Stop using damaged electrical equipment and contact support; do not open the motor or control unit.
Warranty information for this model
Published warranty period: 1 year. Check the terms supplied with your model for the covered parts and claim requirements. A stated warranty period does not replace rights under the Australian Consumer Law.
Warranty registration and support. If the covered components or terms are not listed, ask ONEX to confirm them before ordering.
How to ask for product or warranty support
Contact ONEX with your order number or proof of purchase, model, selected colour and a description of the issue. Add clear photos of the affected part where relevant. Keep parts and accessories together and ask for the appropriate next step before sending a bulky item.
Contact ONEX support or read the returns and refund policy. For a product bought from another retailer, contact that seller about the purchase.
Measurements before your next upgrade
Check the published dimensions, adjustment range, materials and load rating for the exact product. Measure your room, desk clearance and delivery route. Ask ONEX to confirm any missing measurement before ordering.
Trusted by leading Australian retailers
Shop directly with ONEX on this page.
Loved by Gamers & Racing Enthusiasts
Adaptive Ergonomic Support
Smart shaping that follows your natural posture for long hours of work, play, and daily routines.
High Density
Comfort Foam
Premium cushioning engineered for a balanced feel, supportive where you need it, soft where it matters.
Durable Everyday Construction
Reinforced materials tested to handle real-world use, long sessions, and constant movement.
Smooth, Easy Adjustability
Intuitive recline, height, and seating adjustments designed to match how you move throughout the day.
Comfort Focused Contouring
Thoughtfully shaped back and seat contours that support your body naturally for all-day ease.
Designed for Real People & Spaces
Modern comfort that fits seamlessly into bedrooms, offices, gaming setups, and creative spaces.
Engineered for performance, designed for comfort.
Long-Lasting Comfort
High-density foam made to support long hours of sitting.
Gaming-Grade Materials
High-density foam and performance fabrics for lasting comfort.
Engineered for Reliability
Reinforced frames and smooth mechanisms for consistent support.
