Temporarily sold out
1 / 14SIHOO M59AS Ergonomic Chair
฿4,990
0% installments for up to 6 months, from ฿832/month with Beam
1
- 0% installments for 6 months, ฿832/month
- 5 years warrantyTerms and warranty registration
- Free delivery nationwide
- 5 showroomsBook a visit and try before you buy
Benefits
- Dual-section backrest for comprehensive back support and posture adaptability
- Flip-up armrests for customizable arm support and space-saving convenience
- Dual-jointed headrest for precise neck support and comfort
- Saddle-shaped seat cushion for enhanced comfort during long hours
- Full premium mesh design for breathability, support, and easy maintenance
- Integrated coat hanger for added practicality
- Endorsed by industry experts for innovative design and functionality
- SKU:
- SH-F029-GB-M59AS-M302
- Availability:
- Out of stock
- Collections:
- Smart Everyday Ergonomic Chairs,Ergonomic Chairs
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Featured In
How to choose a right ergonomic office chair?
Check out our buying guide for you!
- Stay Cool, Stay Supported: The Sihoo M59AS combines a breathable mesh design with ergonomic features, ensuring comfort and support all day long.
- Breathable Mesh Design: The full mesh construction promotes airflow, keeping you cool and comfortable throughout long hours of sitting.
- Dual-Section Backrest: Designed to contour to your spine, this backrest provides tailored support and maintains a natural "S" shape for optimal back comfort.
- Flip-Up Armrests: Adjust the armrests up and down, back and forth, and rotating for customizable arm and shoulder support, while also offering space-saving flexibility.
- Dynamic Lumbar Support: Adjusts seamlessly to your lower back's natural curvature, offering personalized comfort whether you're sitting still or moving.
- Double-Jointed Headrest: The headrest adjusts in height and rotates, providing precise neck support and aligning with your natural posture.
- Saddle-Shaped Seat Cushion: Expertly distributes pressure across your hips and thighs for added comfort, preventing fatigue during long work sessions.
- Recline and Relax: Recline from 115° to 125° for a comfortable break. The recline function allows you to lean back, relax, and recharge effortlessly.
- Integrated Coat Hanger: Thoughtfully designed for added convenience, allowing you to store your coat or bag within easy reach and keep them wrinkle-free.
- Effortless Adjustments: Easily modify seat height and recline angle for a personalized, ergonomic seating experience with simple controls.
- Built to Last: Crafted with premium materials, including high-quality mesh and durable components, ensuring long-lasting comfort and reliability.
What makes the Sihoo M59AS stand out?
The Sihoo M59AS offers a dual-section backrest for tailored back support, flip-up armrests for flexible positioning, and a dynamic lumbar support that adapts to your lower back's natural curve. The full premium mesh design ensures breathability and cooling, while the integrated coat hanger adds practical storage convenience.
How does the full mesh design benefit me?
The full mesh design of the M59AS provides superior airflow, helping to regulate your body temperature and prevent discomfort during long hours of sitting. It’s especially effective in warmer environments or for extended work sessions, keeping you cool and comfortable.
Can I adjust the lumbar support?
Yes, the M59AS features dynamic lumbar support that adjusts to your lower back’s natural curvature, providing consistent, personalized support. It moves with you, ensuring comfort whether you are seated still or shifting positions.
How does the M59AS compare to the M57?
M59AS: Dual-section backrest for comprehensive back support, dynamic lumbar support, flip-up armrests, and full premium mesh construction for cooling. M57: Full mesh design, dual-adjustable lumbar support, and 3D adjustable armrests. It has a slightly simpler backrest design. The M59AS offers more advanced back support features with a more flexible headrest.
How does the M59AS compare to the M18?
M59AS: Features a dual-section backrest that adapts to your body and a more advanced ergonomic design, including flip-up armrests and dynamic lumbar support. M18: Offers a breathable mesh back and a comfortable sponge seat cushion. It is ideal for users seeking a softer seating experience, while the M59AS focuses on adaptability and breathability.
"Take a break—recline, relax, and recharge for your next task."
Key Features
Dual-section backrest design
Flip-up armrests
Double-jointed headrest
Full premium mesh design
The Sihoo M59AS dynamic lumbar support adjusts to your lower back, offering constant comfort whether you sit still or move throughout the day.
Dual-section backrest for whole back comfort
The Sihoo M59AS features a dual-section backrest that provides full back support. The top section offers ample support, while the dynamic lumbar support adjusts to your natural curve for all-day comfort.
Double-jointed headrest, extra-precise neck support
The Sihoo M59AS headrest adjusts to fit the curve of your neck, offering broad support for comfort. With its dual-joint design, you can easily adjust the height and angle for a perfect fit.
How Sihoo M59AS Ergonomic Office Chair Helps?
Bigger, wider, softer arm support.
Sihoo M59AS fits any workspace with flip-up armrests that tuck under your desk, saving space while providing ergonomic comfort.
Support and comfort for the entire back.
Sihoo M59AS has a taller, roomier backrest, offering full support for your entire back, even for taller users.
Lay back, relax. Rewind. Take a break.
Recline in comfort on Sihoo M59AS, relax, and recharge to take on your next tasks with fresh energy and focus.
Flexible, breathable, and durable.
The Sihoo M59AS mesh blend of PE and polyester offers breathability, support, durability, and easy maintenance.
Comfort, Convenience, and Durability
Pressure-free, fatigue-free
An addition of convenience
Built for Last (BIFMA & SGS)
Specifications
Overview
The Sihoo M59AS offers all-day comfort with its breathable mesh design and customizable features. Its dual-section backrest, adjustable armrests, and dynamic lumbar support provide tailored support for a truly ergonomic experience.
Maximum load: 136 kg
Recommended user height: 145–180 cm
Armrests: 2D
Recline: 115–125°
Lumbar support: Auto-adaptive
Headrest: 3D
Footrest: None
Seat depth adjustment: No
Backrest material: Mesh
Seat material: Mesh
Base: PA
Gas lift: Class 3
Warranty: 5 years
Chair weight: 14.7 kg
Size (W × D × H): 64.5 × 70.5 × 111.5–131 cm
Dimensions
Front
Side
| Dimension | Value |
|---|---|
| Overall width (base) | 64.5 cm |
| Overall depth | 70.5 cm |
| Overall height | 111.5–131 cm |
| Seat height from floor | 45.5–53.1 cm |
| Seat width | 47 cm |
| Seat depth | 41.9 cm |
| Backrest width | 47 cm |
| Backrest height | 55.1 cm |
| Armrest height above seat | 24.4 cm |
| Width across armrests | 64 cm |
| Headrest width | 30 cm |
| Headrest height | 14 cm |
| Headrest up/down travel | 11 cm |
| Maximum load | 136 kg |
| Recommended user height | 145–180 cm |
@sihoothailand
For every part of you
Customer Reviews
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Product Details
SIHOO M59AS – A World-Class Ergonomic Chair
Over 1.8 million chairs sold per year | Sold in 85 countries | Top 3 on Amazon US/EU/JP
⭐ Why choose the SIHOO M59AS?
Taller backrest + support for the whole back
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Tall, wide backrest supports the full area of your back
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Frame curved to follow the spine
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lumbar pillow Auto Adaptive that adapts to your body automatically
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Sturdy coat hanger for a jacket or bag
Flip-up armrests + recline to 125°
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Armrests rotate 90° to free up desk space
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Reclines 115–125° with a locking position
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Comfortable for working, reading and gaming
Stay cool, no stuffiness – premium mesh
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Special polyester mesh with excellent airflow
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Cradles the hips to follow your body shape
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Quiet PU casters that do not mark the floor
Strong and safe, to international standards
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Certified: BIFMA / IOS / CNAS / TÜV / SGS
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Passed multiple strength tests
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SGS-tested gas lift for safety and peace of mind
🎯 Who is it for?
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People who are tall
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Limited workspace
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People who sit for long hours working or gaming
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People who "get hot easily when sitting"
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People with neck, shoulder or back pain, or office syndrome
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People who want an ergonomic chair on a modest budget, with international-level quality
💬 FAQ – Frequently Asked Questions
Which chair model should I choose?
✓ See the product comparison images on the home page
✓ Check the suitable user group in the product details
✓ Ask our admin team for a recommendation that suits you
How is it better than a gaming chair?
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Supports your body properly, with no back pain
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Better ventilation, no stuffiness or moisture
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No cracking leather, with a service life of 10–20 years
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More comfortable and more durable in the long run
Can I use it for intensive gaming?
Absolutely!
Excellent back support + outstanding ventilation + automatic lumbar pillow, ideal for both gaming and work
🛡 Warranty & After-Sales Service
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5–7 year warranty
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Returns/exchanges within 15 days with no reason required
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If it cannot be repaired → a new chair sent free of charge
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Service directly from the brand, with no need to send items back overseas
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Spare parts arrive within 7 days
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Experts available for online repair advice
📘 SPECIFICATIONS
Model: M59AS
Headrest: 3D / height adjustable 11 cm / swivels 45°
Backrest: dual-layer / special polyester mesh
Lumbar pillow: Auto Adaptive
Seat: premium mesh
Armrests: 2D, rotate 80° / forward-back 4 cm / left-right 17.5° / height adjustable 8.5 cm
Recline mechanism: 2 levels | 115–125°
Hydraulic: Class 3
Casters: quiet PU, non-marking
Base: detachable PA
Maximum load: 136 kg
Product dimensions:
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Height 111.5–131 cm
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Width 64.5 cm
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Depth 70.5 cm
Box size: 75 × 33 × 49 cm
Net weight: 14.7 kg
Gross weight: 17.02 kg
Assembly: self-assembly required
Warranty: 5 years
Frequently Asked Questions
Do SIHOO chairs come with a warranty?
Every model comes with a warranty, and how long depends on the model. See each product page, or the "Warranty by model" table on the warranty registration page. After-sales service is provided by the SIHOO Thailand team in Thailand.
Where can I buy a genuine SIHOO chair?
You can order from SIHOO Thailand, the official distributor in Thailand, which provides a warranty from the Thai service center and after-sales service such as spare parts and repairs.
Can I try a chair before buying?
You can try a chair before you decide at some branches. See the branch details and contact options on the Contact us page, and ask before you travel to try one.
How many days do I have to return a product?
Under the returns policy, you can request a return within 30 days of receiving the product. The product must be in the condition you received it, unused and in its original packaging, with the receipt or proof of purchase.
When will I get my refund?
Once the store has received and inspected the returned product, an approved refund is paid to the original payment method within 10 business days. Your bank or credit card company may need additional time to process it.
What should I do if the product is damaged or the wrong model?
Inspect the product as soon as you receive it. If it is defective or damaged, or you received the wrong item, contact the store as soon as possible so it can check and put things right.
Compare with nearby models
| This modelSIHOO M59AS Ergonomic Chair฿4,990 | Higher price SIHOO Model M18 Ergonomic Chair฿4,990 – ฿5,500 | |
|---|---|---|
| Armrests | 2D | — |
| Lumbar support | Auto-adaptive | Adjustable |
| Recline | 115–125° | 109–128° |
| Footrest | None | Available (FT version) |
How to adjust your chair
Watch how to assemble your chair and adjust it to fit your body. Tap to play.
Videos by model
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