BEST ALL-ROUNDER FOR STUDY
Classic Ergonomic Comfort
EC200 combines breathable mesh, adjustable lumbar, and sliding seat depth to keep you comfortable through lectures, library sessions, and all-night study marathons.
Chairs · Portable Keyboards · Study Essentials
Whether you're setting up a dorm room, hitting the library, or studying from home, ProtoArc has you covered. Enjoy exclusive Back to School savings on our best-selling ergonomic chairs and ultra-portable keyboard combos. Limited time offer — don't miss out!
Nos meilleures sélections pour les étudiants et les enseignants 🎓✏️
Each product has its own exclusive promo code. Click into any product page below, copy the code, and apply it at checkout. Save big on ergonomic chairs and portable keyboards — limited time only!
BREATHABLE COMFORT FOR FOCUS
Upgraded Comfort
EC200 Pro adds a full mesh seat and 4D adjustable armrests, giving you enhanced breathability and precision fit for those long study sessions.
FULL SUPPORT FOR TALLER STUDENTS
Long-hour Support
EC300 features a full backrest that moves with you through 5 height positions, delivering integrated support for students up to 6'1".
SMALL SPACE, BIG COMFORT
Personalized Fit
Flexer Pro combines 4D armrests, two-piece lumbar support, and 4 recline positions in a sleek, minimalist design that fits perfectly in dorms and small apartments.
Lightweight, foldable, and ready for wherever your semester takes you.
Portable Keyboards for the Student on the Go
From the library to the lecture hall, ProtoArc's XK series keyboards are designed for students who need reliable typing anywhere. Bluetooth connectivity, ultra-compact folding designs, and long battery life — all in a package that fits in your backpack.
Combo clavier et souris pliable XKM01
Prix de vente€56,99
Prix normal€69,99
Clavier pliable XK01 TP avec pavé tactile
Prix de vente€59,99
Find the Chair That Fits Your Study Style
Every student is different. Choose the ergonomic chair that matches your body, space, and study habits.
EC200
EC200 Pro
EC300
The Tall Student's Pick
Full backrest adjusts with your body — perfect for students up to 6'1"
Flexer Pro
Compare Our Chairs
Side‑by‑Side Comparison
All ProtoArc chairs are built to last with a 5‑year structural warranty. Here's how to choose the one that fits your study style:
Produit
Chaise de bureau ergonomique EC200
Prix de vente€179,99
Prix normal€199,99
Chaise de bureau ergonomique EC200 Pro
Prix de vente€259,99
Chaise de bureau ergonomique EC300
Prix de vente€249,99
Prix normal€279,99
Produit
Chaise de bureau ergonomique EC200
Prix de vente€179,99
Prix normal€199,99
Chaise de bureau ergonomique EC200 Pro
Prix de vente€259,99
Chaise de bureau ergonomique EC300
Prix de vente€249,99
Prix normal€279,99
Best For
Students in small spaces — dorms, apartments, study nooks. Fits 5'1"–6'0".
All‑round students who want comfort for long study sessions. Fits 5'4"–6'0".
Students who want enhanced breathability and precision fit for focus. Fits 5'4"–6'0".
Taller students who need full back support for all‑day comfort. Fits 5'4"–6'1".
Backrest Height Adjustment
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—
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✅ 5 positions; entire backrest and lumbar support move together
Lumbar Support
✅ Height-adjustable lumbar support (2.0" range)
✅ Independent height and depth adjustment (2.36" height + 0.8" depth)
✅ Independent height and depth adjustment (2.36" height + 0.8" depth)
✅ Integrated lumbar support adjusts with the entire backrest
Headrest
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✅ 3D adjustable: height, depth, rotation and pivot
✅ 3D adjustable: height, depth, rotation and pivot
✅ 3D adjustable: height, depth, rotation and pivot
Seat Depth Adjustment
✅ 5 positions (2.76" travel)
✅ 5 positions (1.97" travel)
✅ 5-position (1.97" travel)
✅ 5-position (1.97" travel)
Recline Range
90° / 105° / 115° / 130°
90° / 105° / 120° / 130°
90°–135°
90° / 105° / 120° / 130°
Recline Lock
✅ 4-position lock
✅ 4-position lock
✅ 4-position lock
✅ 4-position lock
Armrests
✅ 4D adjustable
✅ 2D height-adjustable
✅ 4D adjustable
✅ 2D height-adjustable
Seat Cushion
55D high-density foam
55D high-density foam
Breathable all-mesh seat
55D high-density foam
Material
Wintex cooling mesh
Soft-touch mesh
Soft-touch mesh
Soft-touch mesh
Weight Capacity
220 lbs
220 lbs
220 lbs
220 lbs
Warranty
5-year structural warranty
5-year structural warranty
5-year structural warranty
5-year structural warranty
Assembly
Tool‑free, 10–20 minutes
Tool‑free, 10–20 minutes
Tool-free, ~20 minutes
Tool‑free, 10–20 minutes
Before You Buy
Not all ergonomic chairs are created equal. Here's what actually matters when you're setting up your study space for the semester.
Lumbar Support
The #1 feature for back pain relief. Look for height and depth adjustability so it fits your spine's natural curve.
Seat Depth
Your thighs should be fully supported. If the seat is too short or too long, you'll slouch or feel pressure behind your knees. Adjustable seat depth is a game‑changer.
Recline & Tilt
The ability to change position throughout the day reduces pressure on your spinal discs. A 130° recline with multiple lock positions gives you flexibility between study and relaxation.
Headrest
Not essential for everyone, but crucial if you recline often or have neck tension. Look for 3‑way adjustability (height, angle, depth)
Armrests
Adjustable armrests take weight off your shoulders and neck. 4D armrests (up/down, left/right, forward/back, pivot) offer the most personalized fit.
WHAT OUR CUSTOMERS SAY
Real reviews from real ProtoArc chair owners.
Your Butt will love you
My butt appreciated immediatly. I felt my hips sore for a long time and decided my old chair had raised sides and mesh seat and back so maybe that was it. Immediately felt a real difference and a pleasant one.Excellent packaging very impressive. 35 minutes to put together. Enjoy this chair.
Great setup.
You know it is a quality unit when they give you higher end tools to put it together. This uses all the same size head bolt, which makes it so much easier to assemble. The instructions were easy to follow. The bolts all fit and were easy to snug down. The adjustability is much better than my previous option. The back has a fabric that allows airflow. the headrest is comfortable. Overall a good fit for the office or office at home.
Great customer service, well made chair
Pleasantly surprised this chair is the best of the under 300 ergonomic chairs. Cushion is firm but not painful, lumbar support and headrest are actually useful. Comes packaged very well with easy instructions and plenty of neat thank you cards and offers. I am very impressed with this company so far. The chair is stable and fits me well being 5"11
Best Chair at This Price Point
After a month of daily use, the EC200 feels supportive, well built, and far more comfortable than my previous chair. The firm seat cushion, quality mesh, and strong tilt tension make it a great choice for long workdays.
FAQ
Everything you need to know before you buy.
How do I get the Back to School discount?
Each participating product has its own exclusive promo code. Simply find the code displayed on the product page, copy it with one click, and paste it into the discount field at checkout. It's that easy!
How long is the Back to School sale running?
The sale runs from August 20 through September 20, 2026 (EST). Don't wait — these deals won't last!
Can I use the discount on multiple items?
Yes! The promo code applies to eligible items in a single order. If you're buying multiple chairs or keyboards, the code will apply to all qualifying products in your cart.
What is the difference between EC200 and EC300?
EC200 has fixed backrest height and 2D lumbar support. EC300 has 5-position height-adjustable backrest and lumbar & sacrum dual support – ideal for taller users or those who need more precise lower back support.
What is the weight capacity and warranty?
All ProtoArc chairs support up to 220 lbs and come with a 5-year structural warranty.
Do I need a headrest?
If you work 8+ hours or frequently recline, a headrest (EC200, EC300) helps reduce neck strain. If you sit upright most of the time, you may not need one.
Can I try the chair before buying?
We offer a 30-day return policy. If the chair isn't right for you, you can return it – no questions asked.
