- Home Page /
- Home & Kitchen /
- Home Furniture /
- Home Office Furniture /
- Home Office Chairs /
- Home Office Desk Chairs /
- ProtoArc Ergonomic Office Chair EC300 Adjusta...
0 ratings
Item #:
221572270
ProtoArc Ergonomic Office Chair EC300 Adjustable Lumbar High Back Desk Chair, Sliding Seat, 3D Headrest, Wider Armrests, 4 Tilt Backrest Mesh Chairs
Item #:
221572270
BSD 301
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Friday, August 21
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Für über 8 Stunden Sitzkomfort auf diesem Schreibtischstuhl bieten Sie eine solide Basis, die perfekt auf Ihren Körper zugeschnitten ist.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
What Stands Out
Ergonomic Design
The ProtoArc EC300 chair promotes better posture with its adjustable lumbar support, ensuring comfort during long hours of sitting, making it ideal for home office environments.
Customizable Comfort
This chair offers a sliding seat and adjustable 3D headrest, allowing users to tailor their seating experience for optimal comfort and reduced fatigue throughout the day.
Sturdy & Spacious
With wider armrests and a high back design, the EC300 provides ample support and durability, catering to various body types while enhancing overall seating quality.
Product Details
| Brand Name | ProtoArc |
| Additional Features | Adjustable Backrest, Adjustable Lumbar, Adjustable Seat Depth, Big and Tall, Ergonomic |
| Unit Count | 1.0 Count |
| Recommended Uses For Product | Home, Office, Studio |
| Room Type | Office |
| Age Range Description | Adult |
| Included Components | Office chair main parts |
| Model Name | EC300 |
| Indoor Outdoor Usage | Indoor |
| Model Number | EC300 |
| Manufacturer | ProtoArc |
| Manufacturer Part Number | EC300 |
| Furniture Base Movement | Swivel |
| Reclining Position Count | 4 Position |
| Tilting | Yes |
| Is Customizable? | No |
| Is Foldable | No |
| Color | Black |
| Back Style | Split Back |
| Style Name | Modern |
| Pattern | Solid |
| Theme | Office |
| Shape | L-Shape |
| Arm Style | Wider |
| Leg Style | wheels |
| Form Factor | Office Chair |
| Item Dimensions D x W x H | 20"D x 21.26"W x 45"H (50.8 x 54 x 114.3 cm) |
| Item Weight | 45 Pounds (20.41 kg) |
| Seat Depth | 20 inches (50.8 cm) |
| Item Dimensions | 20 x 21.26 x 45 inches (50.8 x 54 x 114.3 cm) |
| Material Type | Mesh |
| Frame Material Type | Nylon |
| Seat Material | Foam |
| Fill Material | Memory Foam |
| Upholstery Fabric Type | Mesh |
| Maximum Weight Recommendation | 220 Pounds (99.79 kg) |
| Required Assembly | Yes |
| Brand | ProtoArc |
| Material | Mesh |
| Product Dimensions (L x W x H) | 20"D x 21.26"W x 45"H (50.8 x 54 x 114.3 cm) |
Who Should Buy?
-
Remote Workers
Ideal for individuals working from home who need comfort during extended hours of sitting at their desk.
-
Students
Perfect for students who study for long hours and require proper back support and a comfortable seating experience.
-
Office Professionals
Suited for professionals who spend significant time at their desks and need ergonomic support for productivity.
-
Short Users
Individuals under average height may find the chair's adjustments insufficient for optimal comfort and support.
Product Description
ProtoArc Ergonomic Office Chair EC300 Adjustable Lumbar High Back Desk Chair, Sliding Seat, 3D Headrest, Wider Armrests, 4 Tilt Backrest Mesh Chairs for Home Office Long Hours Sitting - Black
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the maximum weight capacity of this chair?
Answer: The chair supports a maximum weight of up to 127 kg. -
Question:
Is the chair suitable for tall individuals?
Answer: Yes, it is designed for individuals between 163 cm and 195 cm in height. -
Question:
How adjustable is the backrest and headrest?
Answer: The backrest can be adjusted by 6 cm, and the headrest offers full 3D flexibility.
ProtoArc Home Office Desk Chairs EC300 Editorial Review
### Editorial Review of the ProtoArc Ergonomic Office Chair EC300 The ProtoArc Ergonomic Office Chair EC300 presents an impressive combination of comfort, adjustability, and ease of assembly that has left a positive impression among users. Many reviewers noted the high-quality packaging and the well-organized assembly components, which significantly streamline the setup process. Each part, including screws, is meticulously labeled, and the chair comes with clear instructions, including video guides via QR codes. However, there was a common frustration regarding the assembly of the headrest, which some found to be less intuitive and requiring a bit of ingenuity to attach successfully. Once assembled, the chair shines in performance and comfort. Reviewers have praised its comprehensive adjustability; nearly every aspect—from lumbar support to armrest height and seat depth—can be tailored to individual users. This level of customization ensures a perfect fit for various body types, making it particularly accommodating for larger users who usually struggle with standard chairs. Users report feeling comfortable throughout their workday, without the usual fidgeting associated with less supportive chairs. Aesthetically, the ProtoArc EC300 also scores points, with users noting that its modern design looks great in an office setting. Its sturdiness is highlighted by the heavy-duty feel of the materials, backed by a commendable 5-year warranty, which speaks volumes about the chair's anticipated longevity. Additionally, ProtoArc's customer service is noted as a strong point, with the offer of a free lumbar cushion for those in need, enhancing the overall value of the product. In summary, the ProtoArc Ergonomic Office Chair EC300 is highly recommended for anyone seeking a budget-friendly yet feature-rich office chair capable of providing lasting comfort and support. ####
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Pros
- Comprehensive adjustability for a personalized fit
- High-quality packaging and well-organized assembly components
- Clear assembly instructions with supplementary video guides
- Sturdy Construction and aesthetic appeal
- 5-year warranty offering reassurance on durability
Cons
- Assembly of the headrest can be challenging and confusing
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
BSD 301
Order now and get it around Friday, August 21
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Built to ergonomic standards and certified for strength and stability.
- Features a TÜV Rheinland-certified gas lift for reliable height adjustment.
- Customizable backrest and seat depth for optimal lumbar support.
- High-quality foam and breathable mesh for long-lasting comfort.
- 3D adjustable headrest to support the neck and reduce fatigue.
- Robust design suitable for daily use for individuals up to 127 kg.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.