ProtoArc

ProtoArc Ergonomic Office Chair EC200 High-Back Mesh Computer Chair with Lumbar Support 3D Adjustable Headrest Sliding Seat for

405+ bought in the past month

$189.00$219.00

About this item

  • Ergonomic Design, Healthy Office Work: Designed for modern professionals, the EC200 ergonomic chair combines comfort and health with adjustable lumbar support, seat depth, backrest, seat height, multi-dimensional headrest, and large armrests, serve people from 5'4" to 6'3" (Capacity up to 280 lbs). Tested for 8+ hour comfort, this chair actively supports posture whether working from home or office. More than just seating - it's your health-focused productivity partner
  • 2-Way Adjustable Lumbar Support: Features 4-diretion lumbar adjustment (2.36" height + 0.8" depth customization), the computer desk chair contours to your spine's natural curve. High-strength mesh back distributes pressure evenly, reducing lower back strain by up to 50%. Ideal for those who spend long hours at a desk, it promotes better posture while keeping you focused and relaxed
  • 【Tested for Safety and Durability】At ProtoArc, all of our chairs meet BS EN 1335 ergonomic requirements and have been tested by SGS according to ANSI/BIFMA X5.1 for key strength and stability.They feature a TÜV Rheinland–tested Class 4 gas lift (EN 16955) for smooth,ensuring smooth, stable height adjustment and reliable performance for everyday and long-term use
  • Better Support Seat Cushion: Designed with a high-resiliency foam cushion at 55 density, the office chair seat strikes the perfect balance between comfort and support. Enhanced pressure distribution design provides targeted support for the sitting bones and relieves sacral pressure. The reinforced base prevents sagging, making it suitable for users weight up to 280lbs. Enjoy hours of comfortable seating without the dreaded “office chair” syndrome
  • Customizable Seat Depth: The sliding seat allows personalized seat depth in 5 positions with instant-lock mechanism adapts to your leg length. By optimizing the sitting area, the computer chair maintain proper back support and release legs pressure - whether you're taller and shorter users
  • 4 Tilts Back Angles: Adapt to your changing focus through out the day with the 4-level backrest tilts. 90° (upright work), 105° (reading), 120° (phone calls), and 130° (relaxation). The ergonomic mesh chair features tilt tension control—simply rotate the tension knob to adjust reclining resistance to your preference
  • Multi-Dimensional Headrest: The large mesh headrest with 3D flexibility—Dual-Axis rotating, height, and depth adjustments, tailored for your head and neck’s natural curve. Designed for users 5'4" to 6'3", it adapts seamlessly to different body types, ensuring optimal support whether you're working, gaming, or relaxing. The wider armrests offer stability and comfort, with a height adjustment of 2.76"
  • Easy Assembly and Reliable Support: We provide a detailed visual installation guide that allows you to easily follow step-by-step. No extra tools needed, 20-Min Assembly. For any inquiries, our ProtoArc Support Team is ready to assist you. We commit to finding satisfactory solutions for any parts or functionality issues that may arise
$189.00
Was $219.00Save $30.00

In Stock

DeliveryEstimated 3–5 business days · Final delivery speed and cost are confirmed at checkout
Easy Returns · 30-day window
This order is a gift

In Stock

Secure Checkout
Free Returns
30-Day Guarantee
Secure checkoutAll transactions are SSL-encrypted. Your payment info is never stored.
Free returnsReturn or replace within 30 days
Fast deliveryOrders ship within 1 business day and arrive in 4–8 days.
Buyer protectionIf your order arrives damaged or doesn't show up, we'll make it right.
24/7 supportOur team is here to help. Reach us anytime by email or chat.
Ships fromOur Warehouse
Sold byProtoArc
Returns
Easy Returns30-day return window
PaymentsSecure transaction
Currently unavailable
Easy Returns · 30-day window

Product details

BrandProtoArc
ColorBlack
MaterialMesh, Nylon
Product Dimensions20"D x 21.26"W x 44.5"H
SizeMedium

Technical specifications

brandProtoArc
colorBlack
product_dimensions20"D x 21.26"W x 44.5"H
sizeMedium
back_styleSolid Back
special_featureAdjustable Backrest, Adjustable Headrest, Adjustable Lumbar, Big and Tall, Ergonomic
unit_count1.0 Count
recommended_uses_for_productHome, Office, Studio
maximum_weight_recommendation280 Pounds
styleModern
patternSolid
room_typeBedroom, Living Room, Office, Office Reception, Study Room
age_range_descriptionAdult
included_componentsOffice chair main parts
themeOffice
shapeL-Shape
model_nameEC200
arm_stylewith-arms
surface_recommendationHard Floor
seat_back_interior_height22.5 Inches
furniture_base_movementSwivel
indooroutdoor_usageIndoor
seat_height13 Inches
seat_depth20 inches
fill_materialFoam
seat_length21.26 Inches
leg_stylewheels
reclining_position_count4 Position
tiltingYes
form_factorDesk Chair
manufacturerProtoArc
assembly_instructions_descriptionInstall the five-star base, armrest, tilt mechanism, seat cushion and backrest with screws. Then insert the five-star base and headrest.
item_weight39.9 pounds
item_model_numberEC200
best_sellers_rank#63,258 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #164 in Home Office Desk Chairs
date_first_availableAugust 29, 2025

From the brand

Product detailProduct detailProduct detailProduct detailProduct detailProduct detailProduct detailProduct detail
Product detailProduct detailProduct detailProduct detail

Product videos

Product video 1

Customer reviews

4.5180 ratings

Customers say

Customers find this office chair to be of high quality, comfortable with no aches or pains, and well-padded with soft armrests.

★★★★★

Best Ergonomic Chair for the Price

TyDecember 30, 2025

The best value if your budget for an ergonomic chair is $250 or less. (From a 6’1 male) This is my first dedicated “ergonomic office chair” I have ever owned, so this is my start in the ergonomic office chair world and it has been worth every penny so far. Assembly : It was one of the easiest furniture assemblies I have ever done (no i’m not making that up). Every step is straight forward and literally only took me about 45 minutes. All of the parts are labeled and separated for you which made it easy to follow along without getting loss. From the start of opening the big package, it really does feel like a premium product due to their very welcoming packaging inside. Instead of the typical “throw all of the manuals and jumble everything in the box” packaging from some furniture manufacturers, there was a welcome letter and everything which is appreciated. Comfort : I have been consistently sitting in this chair for about 7 hours a day and there has been no aches or pain in my back or bottom area which is new for me (coming from a cheap $50 walmart chair). No aches or pains anywhere in my rear, back, or legs after long usage. Seat cushion - The seat is wide enough for me as a 6 foot 1 male and my hips are about 19-20 inches wide. Functionality : The seat has so many features for the price. Depending on your height, you can adjust the comfortable cushion seat depth forward and backward a good amount to adjust the comfort of where your legs bend which was useful for me. The headrest has a lot of adjustment too and moves very freely with its height and tilt adjustments. My head is almost at the top of the headrest, but it never feels too high or low for me being 6 foot 1. The reclining feature also works really well and goes back quite a bit for when you want to relax. Every setting of the recline feature isn’t wobbly and holds its place very well. You could definitely get sleepy in this thing if you recline long enough. The lumbar support is fantastic with so much free room to move it up and down, along with increasing the curve pretty high compared to other chairs i’ve tested in stores. Height adjustment is really smooth too. Noise level : There is barely any noise at all for me when I move around in the seat besides when making adjustments of the chair of course. The wheels glide like butter and hardly make any noise on my hard floors when I go to sit in it. Overall I 100% recommend this chair as it really feels like I paid more for this than what I did. Really really recommend this chair for anyone getting started in the ergonomic chair world like myself as this has been so tremendous for me. Read more

Review image 1
★★★★★

Excellent chair -- Comfy and an Insane Value

SamDecember 9, 2025

I was looking for a chair but didn't want to spend Steelcase/Herman Miller money right now. I've broken many cheap Amazon chairs so I was skeptical that a sub $200 chair was going to be good. I am happy so say that I was completely wrong. The chair is built robustly, very comfortable, adjustable, supportive, materials feel good, and packaging was excellent and makes setup easy. Liked it so much that my wife (a strong critic) wanted one for her office. Read more

★★★★★

Good chair

JacobDecember 15, 2025

I was debating between this and the ticova chair. Im glad i chose this one. It feels strong. When i lean back i feel stability in the chair. You can adjust the lumbar support so you can have sturdy for posture or light for more comfort. The cushion feels nice to sit in. When i sit upright i feel i get the most out of the chair. The headrest when you lean back feels so nice ( ive never had a headrest on a chair). Honestly given build quality and its functions id say its a $300 -$400 chair but i enjoy the fact that i got it for way less. I only hope the cushion last a long long time. The handles move up and down, but they do not move diagonally (small detail). Overall 9.5/10 chair Read more

★★★★☆

Good chair with comfy armrests,seat and back support.

CustomerNovember 14, 2025

Assembly was a breeze, and the comfort level exceeded my expectations. After returning multiple chairs due to rough, hard plastic armrests, I finally found exactly what I was looking for. The armrests on this chair feature soft, wide padding and can be adjusted up or down to suit your needs, which is a game-changer for me. What really sold me on this chair are two key factors: First, the ergonomic design provides excellent support throughout the workday. Second, it delivers comfort across the board, from the well-cushioned seat to the supportive backrest and those wonderfully padded armrests I mentioned. If you're someone who values genuine comfort and can't stand those typical hard plastic armrests found on most office chairs, this one is worth considering. Read more

Recently Viewed