Atlas.
Your neck shouldn't clock out before you do.
An adjustable headrest, dynamic lumbar and a height-adjustable back that fit people from 4'11" to 6'3".
60-day home trial · Free returns · 5-year warranty
Ergonomic office chairAn adjustable headrest, dynamic lumbar and a height-adjustable back that fit people from 4'11" to 6'3".
Backed by Sunon — an office-furniture maker since 1991.
Our story ›Get thehighlights.
Take a closerlook.
Headrest, dynamic lumbar and 2D arms line up with your spine, from head to lower back.
Rises 2.4 in and tilts up to 43° to cradle your head and neck through long sessions.
1.7 in of lumbar travel moves with you, while breathable mesh keeps you cool all day.
Raise them 3.3 in and slide them 1.6 in, so your forearms always land in the right spot.
A 27.6 in nylon base with smooth PU casters and a 4-position tilt lock keeps you steady.
Head, neck, lower back — covered.
Raise the backrest 2.8 inches, slide the headrest 2.4 inches and tilt it to your neck. The dynamic lumbar moves with you.
Which chair isright for you?
| Feature |  ResistanceColor is power.From $199.99 |  Boss ProWork like a beast. Rest like a king.From $289.99 |  MorphIt moves with you.From $449.99 |  ViewingAtlasYour neck shouldn't clock out before you do.From $449.99 |  TraceSupport that follows you.From $489.99Pre-order |
|---|---|---|---|---|---|
| Best for | Compact spaces, 8+ colors | Lounging, executive look | All-day focus, back support | Neck support, long sessions | Posture support, light Scandinavian look |
| Lumbar support | Curved ergonomic back | Adaptive | Auto-tracking (3.5") | Dynamic (1.7") | Auto-follow backrest (up to 6") |
| Head & neck | No headrest | 3D adjustable | Extended backrest or headrest | Adjustable + tilt | 4D + coat hanger |
| Armrests | 3D, flip-up | 4D | 7D | 2D | 4D, fold-away |
| Recline | Up to 135° | Up to 125° + footrest | Up to 140° | Up to 140° | 3-position tilt lock |
| Material | 3D mesh | Water-resistant vegan leather | Breathable mesh | Breathable mesh | Elastic full mesh |
| Fits | Not specified | Not specified | 5'0"–6'3" | 4'11"–6'3" | Not specified |
| Seat height | 18.5–21.5 in | 19.5–22.8 in | 18–21.8 in | 17.7–21.3 in | 15.0–18.9 in |
| Weight capacity | 300 lbs | 300 lbs | 300 lbs | 300 lbs | Not specified |
Full dimensions on each product page: Resistance · Boss Pro · Morph · Atlas · Trace
The easy wayto sit better.
60-day home trial
Sit on it through real workdays. Not right? Return it for free.
5-year warranty
Mechanical parts and structure, covered.
Free, fast shipping
In-stock orders ship from US warehouses within 1 business day and arrive in 3–7 business days.
Good toknow.
Will it fit my height?
The seat adjusts from 17.7 to 21.3 in high and holds up to 300 lbs. It’s made for people 4'11"–6'3" tall. Compare the seat height with the chair you use now. Not sure? Email service@sunaofe.com with your height and desk height, and we’ll help you choose.
Can I try it before I buy?
Yes — at home. Live with it for 60 days, and if it isn’t right, send it back. Returns are free.
How do the headrest and lumbar adjust?
The headrest moves 2.4″ and tilts; the dynamic lumbar support has 1.7″ of travel; and the backrest height adjusts 2.8″.
Do the armrests adjust?
Yes. The 2D armrests move 3.3″ up and down and slide 1.6″ forward and back.
How fast will it arrive?
In-stock orders leave a US warehouse within 1 business day and arrive in 3–7 business days. Delivery is free across the contiguous US.
Is it hard to put together?
It needs some assembly. Everything you need is in the box, with step-by-step instructions.
What does the warranty cover?
Chairs, desk frames, motors and controls, and monitor arms are covered for 5 years; desktop surfaces for 2 years. Coverage includes mechanical parts and structural defects.
Is there a discount for buying several?
Yes. Orders of 10 or more get volume pricing. Tell us what you need and our business team will send a quote within one business day.
Still have a question? Contact us ›