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Experience enhanced comfort with the Kopplen Nucleus 3-Piece Office Chair, enhanced with SmartSupport Technology. This chair boasts an adjustable headrest, a split waist back support, and spring lumbar support for optimal posture whilst working. The sliding fabric seat and a tilt mechanism with four locking options ensure comfort and effortless mobility.
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Read/Download The Installation Guides



Description
Superb Head & Neck Support
- Adjustable headrest ensures optimal head and neck comfort
- Provides a comfortable surface for resting the head and neck
Ergonomic Design & Customizable Seating
- Double waist spring lumbar support
- 3-axis adjustable armrests with ergo-soft touch material
- Fabric upholstered seat with slider
- Wire control tilting mechanism with 4 lock settings
- Backrest height adjustable with 5 lock positions
Quality Controlled Construction
- Class 4 gas lift allows for height adjustment
- 350# track design non-slip base ensures stability
- Maximum Weight Capacity: 341 lbs (154.67 kg)
Smooth Mobility
- Smooth movement facilitated by nylon castors
- BIFMA-tested to withstand 100,000 cycles at 113 kg per castor
Technical Specifications
Dimensions | |
Overall Width: | 68 cm (26.77 in) |
Overall Height: | 113.5 cm (44.69 in) |
Overall Depth: | 41 cm (16.14 in) |
Weight: | 21 kg (46.3 lb) |
Height Range: | 23.5 cm (9.25 in) |
Adjustability | |
Arms: | Adjustable (3-Axis) |
Lumbar: | Fixed |
Backrest: | Tiltable & Height Adjustable to 5 Positions |
Seat: | Height Adjustable (Class 4 Gas Lift) Swivel (360º) |
Base: | Wheels/Casters |
Features | |
Weight Capacity: | 154.67 kg (341 lb) |
Certifications: | BIFMA |
Care: | Vacuum with soft brush |
Compatibility
Shipping & Delivery
Kopplen's warehouse is based in Canada, and it ships orders to Canada and the United States only.
All orders will be traceable with the link showcased at the page's footer.
Processing Time:
Orders placed before 12:00pm of the day (Ontario Time) will be processed the same business day, or they will be processed for shipping the next business day.
Shipping to Canada:
We ship orders to Canada through Canada Post, with multiple shipping channels available to deliver your order.
Some shipping channels can be calculated automatically for their shipping time and rates by order weight and destinations.
One other channel displays its definitive shipping time and postages.
Shipping Method | Delivery Time | Postage |
Expedited Parcel | 1-8 business days | Varies depending on order weight & destination |
Xpresspost | 1-3 business days | Varies depending on order weight & destination |
Priority | 1-2 business days | Varies depending on order weight & destination |
Shipping Method | Delivery Time | Order Price | Postage |
Standard Shipping | 1-8 business days | Above $179 (CAD) | Free |
We ship orders to the USA through Canada Post with multiple shipping channels to deliver your order.
Some shipping channels can be calculated automatically for their shipping time and rates by order weight and destinations.
One other channel displays its definite shipping time and postages.
Shipping Method | Delivery Time | Postage |
Expedited Parcel USA | 4-8 business days | Varies depending on order weight & destination |
Xpresspost USA | 2-4 business days | Varies depending on order weight & destination |
Tracked Packet USA | 4-8 business days | Varies depending on order weight & destination |
Shipping Method | Delivery Time | Order Price | Postage |
Standard Shipping | 2-9 business days | Above $129 (USD) | Free |
Delivery Time:
To Canada, 1–8 business days (order processing time included).
To the USA, 2–9 business days (order processing time included).
All items will be traceable for your peace of mind.
We do our best to ensure punctual delivery of your orders, though the rare cases of 1-2 day delayed orders may occur. If your order comes delayed for more than 1 week, a 10% refund of your order price will be refunded. If it is delayed for 3 weeks or longer, your order will be refunded in full of the original order price.
Tax:
To comply with the laws and regulations of Canada and the USA, we implement our duty to collect tax on orders shipped to Canada and the USA. Please note we are not liable or responsible for the tariff of the order shipped to the USA.
Canceling an Order:
We always try our best to cancel your order as soon as we can. Please send your request via email to support@kopplen.com or chat with us online directly.
We can cancel your order only if the request is made within the time that your order has not been processed yet. Please be aware that we do process orders quickly, so we cannot guarantee that we will always be able to cancel your order.
Canceling your order will be free of charge.
If you have any questions about our shipping policy, feel free to email us at support@kopplen.com.
Kopplen's warehouse is based in Canada, and it ships orders to Canada and the United States only.
All orders will be traceable with the link showcased at the page's footer.
Processing Time:
Orders placed before 12:00pm of the day (Ontario Time) will be processed the same business day, or they will be processed for shipping the next business day.
Shipping to Canada:
We ship orders to Canada through Canada Post, with multiple shipping channels available to deliver your order.
Some shipping channels can be calculated automatically for their shipping time and rates by order weight and destinations.
One other channel displays its definitive shipping time and postages.
Shipping Method | Delivery Time | Postage |
Expedited Parcel | 1-8 business days | Varies depending on order weight & destination |
Xpresspost | 1-3 business days | Varies depending on order weight & destination |
Priority | 1-2 business days | Varies depending on order weight & destination |
Shipping Method | Delivery Time | Order Price | Postage |
Standard Shipping | 1-8 business days | Above $179 (CAD) | Free |
We ship orders to the USA through Canada Post with multiple shipping channels to deliver your order.
Some shipping channels can be calculated automatically for their shipping time and rates by order weight and destinations.
One other channel displays its definite shipping time and postages.
Shipping Method | Delivery Time | Postage |
Expedited Parcel USA | 4-8 business days | Varies depending on order weight & destination |
Xpresspost USA | 2-4 business days | Varies depending on order weight & destination |
Tracked Packet USA | 4-8 business days | Varies depending on order weight & destination |
Shipping Method | Delivery Time | Order Price | Postage |
Standard Shipping | 2-9 business days | Above $129 (USD) | Free |
Delivery Time:
To Canada, 1–8 business days (order processing time included).
To the USA, 2–9 business days (order processing time included).
All items will be traceable for your peace of mind.
We do our best to ensure punctual delivery of your orders, though the rare cases of 1-2 day delayed orders may occur. If your order comes delayed for more than 1 week, a 10% refund of your order price will be refunded. If it is delayed for 3 weeks or longer, your order will be refunded in full of the original order price.
Tax:
To comply with the laws and regulations of Canada and the USA, we implement our duty to collect tax on orders shipped to Canada and the USA. Please note we are not liable or responsible for the tariff of the order shipped to the USA.
Canceling an Order:
We always try our best to cancel your order as soon as we can. Please send your request via email to support@kopplen.com or chat with us online directly.
We can cancel your order only if the request is made within the time that your order has not been processed yet. Please be aware that we do process orders quickly, so we cannot guarantee that we will always be able to cancel your order.
Canceling your order will be free of charge.
If you have any questions about our shipping policy, feel free to email us at support@kopplen.com.
Returns/Refunds
Kopplen provides a 30-day window for free returns & exchanges.
- In case you need to return your order within 30 days of purchase upon delivery, please send us your order details (with the problem specified) to: support@kopplen.com. We'll respond within 2 business day to confirm or address your issue.
- The shipping fee for orders to be returned & exchanged within 30 days of order delivery will be covered by us.
30-day return & exchange eligibility is subject to the below situations and scenarios only:
- Defective order received
- Damaged order received
- Product quality issue.
- Different products received.
- Missing parts or components.
Exceptions / non-returnable items
Packages of cusotmers' that are returned to us by the carrier due to its incomplete or incorrect addresses, or if the recipient refuses to receive the delivery,.
Unfortunately, we cannot accept returns on sale items or gift cards.
How to request and fulfill a return or exchange
- Customers MUST contact us at support@Kopplen.com first for a return/exchange request.
- Customer will also be informed via email if the return request is rejected.
- If the return is accepted, you are required to return your order back to our warehouse in Canada: 361 Alden Road, Toronto, Ontario, Canada. Zip code: L3R 3L4, Phone NO: +1 905-940-2889 Receipient: Kopplen
- Item must be packed in the original packaging with its accessories and components included.
- After receiving a replacement piece or set, the previous piece or set (if we did not require you to return it) needs to be destroyed. A video and picture proof will be required to show the damaged piece or set. Failing to do so, you will not be qualified for future replacements. By providing the above-required information, your replacement will be processed within 2 business days.
- For only-returned orders, we will issue a full refund of the original order within 2 business day after our confirmation. Please note that the confirmation process may take up to 3 business days to complete.
You can request a full refund or a partial refund for any of the following situations & scenarios:
- For minor product defects, shipping damage, and the like, the amount to be refunded is negotiable.
- Missing orders (failed to be delivered within 3 weeks or further) will be refunded in full.
- If you are approved for a full or partial refund, then the refund will be processed based on the payment method you used to pay for the order. If you pay for your order with PayPal, then the refunded amount will be refunded to your PayPal account, likewise, refunds will be sent back to your original account paid for your order.
- All refunds will be issued within 2 business day upon confirmation. Please be aware that it may take 5 to 7 business days for the refund to appear in your account.
- If you still don't receive your refund after 7 business days, feel free to contact us.
Please contact support@Kopplen.com if you have any questions regarding our return & refund policy.
Kopplen provides a 30-day window for free returns & exchanges.
- In case you need to return your order within 30 days of purchase upon delivery, please send us your order details (with the problem specified) to: support@kopplen.com. We'll respond within 2 business day to confirm or address your issue.
- The shipping fee for orders to be returned & exchanged within 30 days of order delivery will be covered by us.
30-day return & exchange eligibility is subject to the below situations and scenarios only:
- Defective order received
- Damaged order received
- Product quality issue.
- Different products received.
- Missing parts or components.
Exceptions / non-returnable items
Packages of cusotmers' that are returned to us by the carrier due to its incomplete or incorrect addresses, or if the recipient refuses to receive the delivery,.
Unfortunately, we cannot accept returns on sale items or gift cards.
How to request and fulfill a return or exchange
- Customers MUST contact us at support@Kopplen.com first for a return/exchange request.
- Customer will also be informed via email if the return request is rejected.
- If the return is accepted, you are required to return your order back to our warehouse in Canada: 361 Alden Road, Toronto, Ontario, Canada. Zip code: L3R 3L4, Phone NO: +1 905-940-2889 Receipient: Kopplen
- Item must be packed in the original packaging with its accessories and components included.
- After receiving a replacement piece or set, the previous piece or set (if we did not require you to return it) needs to be destroyed. A video and picture proof will be required to show the damaged piece or set. Failing to do so, you will not be qualified for future replacements. By providing the above-required information, your replacement will be processed within 2 business days.
- For only-returned orders, we will issue a full refund of the original order within 2 business day after our confirmation. Please note that the confirmation process may take up to 3 business days to complete.
You can request a full refund or a partial refund for any of the following situations & scenarios:
- For minor product defects, shipping damage, and the like, the amount to be refunded is negotiable.
- Missing orders (failed to be delivered within 3 weeks or further) will be refunded in full.
- If you are approved for a full or partial refund, then the refund will be processed based on the payment method you used to pay for the order. If you pay for your order with PayPal, then the refunded amount will be refunded to your PayPal account, likewise, refunds will be sent back to your original account paid for your order.
- All refunds will be issued within 2 business day upon confirmation. Please be aware that it may take 5 to 7 business days for the refund to appear in your account.
- If you still don't receive your refund after 7 business days, feel free to contact us.
Please contact support@Kopplen.com if you have any questions regarding our return & refund policy.
Superb Head & Neck Support
- Adjustable headrest ensures optimal head and neck comfort
- Provides a comfortable surface for resting the head and neck
Ergonomic Design & Customizable Seating
- Double waist spring lumbar support
- 3-axis adjustable armrests with ergo-soft touch material
- Fabric upholstered seat with slider
- Wire control tilting mechanism with 4 lock settings
- Backrest height adjustable with 5 lock positions
Quality Controlled Construction
- Class 4 gas lift allows for height adjustment
- 350# track design non-slip base ensures stability
- Maximum Weight Capacity: 341 lbs (154.67 kg)
Smooth Mobility
- Smooth movement facilitated by nylon castors
- BIFMA-tested to withstand 100,000 cycles at 113 kg per castor
Dimensions | |
Overall Width: | 68 cm (26.77 in) |
Overall Height: | 113.5 cm (44.69 in) |
Overall Depth: | 41 cm (16.14 in) |
Weight: | 21 kg (46.3 lb) |
Height Range: | 23.5 cm (9.25 in) |
Adjustability | |
Arms: | Adjustable (3-Axis) |
Lumbar: | Fixed |
Backrest: | Tiltable & Height Adjustable to 5 Positions |
Seat: | Height Adjustable (Class 4 Gas Lift) Swivel (360º) |
Base: | Wheels/Casters |
Features | |
Weight Capacity: | 154.67 kg (341 lb) |
Certifications: | BIFMA |
Care: | Vacuum with soft brush |
Kopplen's warehouse is based in Canada, and it ships orders to Canada and the United States only.
All orders will be traceable with the link showcased at the page's footer.
Processing Time:
Orders placed before 12:00pm of the day (Ontario Time) will be processed the same business day, or they will be processed for shipping the next business day.
Shipping to Canada:
We ship orders to Canada through Canada Post, with multiple shipping channels available to deliver your order.
Some shipping channels can be calculated automatically for their shipping time and rates by order weight and destinations.
One other channel displays its definitive shipping time and postages.
Shipping Method | Delivery Time | Postage |
Expedited Parcel | 1-8 business days | Varies depending on order weight & destination |
Xpresspost | 1-3 business days | Varies depending on order weight & destination |
Priority | 1-2 business days | Varies depending on order weight & destination |
Shipping Method | Delivery Time | Order Price | Postage |
Standard Shipping | 1-8 business days | Above $179 (CAD) | Free |
We ship orders to the USA through Canada Post with multiple shipping channels to deliver your order.
Some shipping channels can be calculated automatically for their shipping time and rates by order weight and destinations.
One other channel displays its definite shipping time and postages.
Shipping Method | Delivery Time | Postage |
Expedited Parcel USA | 4-8 business days | Varies depending on order weight & destination |
Xpresspost USA | 2-4 business days | Varies depending on order weight & destination |
Tracked Packet USA | 4-8 business days | Varies depending on order weight & destination |
Shipping Method | Delivery Time | Order Price | Postage |
Standard Shipping | 2-9 business days | Above $129 (USD) | Free |
Delivery Time:
To Canada, 1–8 business days (order processing time included).
To the USA, 2–9 business days (order processing time included).
All items will be traceable for your peace of mind.
We do our best to ensure punctual delivery of your orders, though the rare cases of 1-2 day delayed orders may occur. If your order comes delayed for more than 1 week, a 10% refund of your order price will be refunded. If it is delayed for 3 weeks or longer, your order will be refunded in full of the original order price.
Tax:
To comply with the laws and regulations of Canada and the USA, we implement our duty to collect tax on orders shipped to Canada and the USA. Please note we are not liable or responsible for the tariff of the order shipped to the USA.
Canceling an Order:
We always try our best to cancel your order as soon as we can. Please send your request via email to support@kopplen.com or chat with us online directly.
We can cancel your order only if the request is made within the time that your order has not been processed yet. Please be aware that we do process orders quickly, so we cannot guarantee that we will always be able to cancel your order.
Canceling your order will be free of charge.
If you have any questions about our shipping policy, feel free to email us at support@kopplen.com.
Kopplen provides a 30-day window for free returns & exchanges.
- In case you need to return your order within 30 days of purchase upon delivery, please send us your order details (with the problem specified) to: support@kopplen.com. We'll respond within 2 business day to confirm or address your issue.
- The shipping fee for orders to be returned & exchanged within 30 days of order delivery will be covered by us.
30-day return & exchange eligibility is subject to the below situations and scenarios only:
- Defective order received
- Damaged order received
- Product quality issue.
- Different products received.
- Missing parts or components.
Exceptions / non-returnable items
Packages of cusotmers' that are returned to us by the carrier due to its incomplete or incorrect addresses, or if the recipient refuses to receive the delivery,.
Unfortunately, we cannot accept returns on sale items or gift cards.
How to request and fulfill a return or exchange
- Customers MUST contact us at support@Kopplen.com first for a return/exchange request.
- Customer will also be informed via email if the return request is rejected.
- If the return is accepted, you are required to return your order back to our warehouse in Canada: 361 Alden Road, Toronto, Ontario, Canada. Zip code: L3R 3L4, Phone NO: +1 905-940-2889 Receipient: Kopplen
- Item must be packed in the original packaging with its accessories and components included.
- After receiving a replacement piece or set, the previous piece or set (if we did not require you to return it) needs to be destroyed. A video and picture proof will be required to show the damaged piece or set. Failing to do so, you will not be qualified for future replacements. By providing the above-required information, your replacement will be processed within 2 business days.
- For only-returned orders, we will issue a full refund of the original order within 2 business day after our confirmation. Please note that the confirmation process may take up to 3 business days to complete.
You can request a full refund or a partial refund for any of the following situations & scenarios:
- For minor product defects, shipping damage, and the like, the amount to be refunded is negotiable.
- Missing orders (failed to be delivered within 3 weeks or further) will be refunded in full.
- If you are approved for a full or partial refund, then the refund will be processed based on the payment method you used to pay for the order. If you pay for your order with PayPal, then the refunded amount will be refunded to your PayPal account, likewise, refunds will be sent back to your original account paid for your order.
- All refunds will be issued within 2 business day upon confirmation. Please be aware that it may take 5 to 7 business days for the refund to appear in your account.
- If you still don't receive your refund after 7 business days, feel free to contact us.
Please contact support@Kopplen.com if you have any questions regarding our return & refund policy.

Our Office Chairs are designed with your comfort in mind, ensuring that every moment spent at your desk is comfortable and productive. With our ergonomic SmartSupport™ contours and plush cushioning, it provides exceptional support for your back and posture, allowing you to focus on your work without distraction.
Nucleus Office Chair by Kopplen
"The only comfort zone you should stay in."

Accommodating Armrests
The adjustable armrests can be moved up, down, forward, backward, and rotated offering a truly customizable experience. You can easily find the perfect position for your arms, reducing tension in your shoulders and neck.
The durable soft-touch rubber on the armrests ensures your elbows won't fatigue over the course of a work day.
This level of adjustability ensures that you can work efficiently and comfortably, no matter your task.

Sliding Seat
The innovative sliding seat adjusts the depth of the chair to suit your body, providing optimal support for your thighs and your lower back.
This crucial ergonomic feature is what keeps your back supported and your feet comfortably flat on the ground, a feature often overlooked on office chairs, but not ours.

8-way Adjustability
This office chair is designed to provide exceptional support at every joint, ensuring your body remains well-aligned and comfortable throughout the day.
- Headrest Tilt & Height
- Backrest Height
- Backrest Recline Angle (4 positions)
- Backrest Recline Tension
- Lumbar Support Height
- Armrest Height, Angle, Depth
- Seat Slide Depth
- Seat Height (Gas Lift)
The ergonomic structure promotes healthy posture and reduces strain, allowing you to focus on your work without discomfort.
Accommodating Armrests
The adjustable armrests can be moved up, down, forward, backward, and rotated offering a truly customizable experience. You can easily find the perfect position for your arms, reducing tension in your shoulders and neck.
The durable soft-touch rubber on the armrests ensures your elbows won't fatigue over the course of a work day.
This level of adjustability ensures that you can work efficiently and comfortably, no matter your task.
Sliding Seat
The innovative sliding seat adjusts the depth of the chair to suit your body, providing optimal support for your thighs and your lower back.
This crucial ergonomic feature is what keeps your back supported and your feet comfortably flat on the ground, a feature often overlooked on office chairs, but not ours.
8-way Adjustability
This office chair is designed to provide exceptional support at every joint, ensuring your body remains well-aligned and comfortable throughout the day.
- Headrest Tilt & Height
- Backrest Height
- Backrest Recline Angle (4 positions)
- Backrest Recline Tension
- Lumbar Support Height
- Armrest Height, Angle, Depth
- Seat Slide Depth
- Seat Height (Gas Lift)
The ergonomic structure promotes healthy posture and reduces strain, allowing you to focus on your work without discomfort.



Compare Office Chairs
Compare our office chairs to see what is the best fit for you.






Height & Tilt
Height
Height & Tilt
Adjustable
—
—
4 Lock Positions
4 Lock Positions
1 Lock Position
Adjustable
Adjustable
Adjustable
Forward & Back
—
—
Rotate, Forward & Back, Up & Down
Rotate, Forward & Back, Up & Down
Rotate, Forward & Back, Up & Down
5 Years
5 Years
5 Years