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1 / 2SIHOO Smart M59Pro-S Ergonomic Chair – Flip-Up Armrests, Large Size, Metal Base
฿5,990฿9,100
0% installments for up to 6 months, from ฿999/month with Beam
1
- 0% installments for 6 months, ฿999/month
- Free delivery nationwide
- 5 showroomsBook a visit and try before you buy
Benefits
- Spring lumbar support that adapts to your body
- 3D flip-up armrests that save space
- Two-joint headrest with 8 height positions
- Recline locks at 115° / 126° / 136°
- 350 mm chromed metal base
- Class 3 gas lift, BIFMA certified
- SKU:
- SH-F029-M59S-GRE
- Availability:
- In 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!
- PE and polyester full mesh: High-quality, durable mesh that breathes well and keeps heat from building up while you sit.
- Two-joint headrest: 8 height positions plus angle adjustment to support your neck and head and ease aches.
- Spring lumbar support: Adapts to your body automatically, helping reduce back pain from long hours of sitting.
- 3D flip-up armrests: Soft PU surface, slides forward and back, adjusts left and right, and flips up out of the way.
- Three recline locks: The mechanism adjusts height and tension and locks at 115°, 126° and 136°.
- TUV Class 3 gas lift: Passed the US BIFMA certification for steady, reliable use.
- 350 mm chromed base: A polished metal base, strong and durable for long-term use.
How SIHOO Smart M59Pro-S Ergonomic Chair Helps?
Back support all day
The spring lumbar support follows your movements and helps reduce back pain from long hours of sitting.
Saves space
The 3D armrests flip up so the chair slides right under the desk — handy in a small workspace.
Cool, not stuffy
The PE and polyester mesh breathes well and keeps heat from building up.
Specifications
Overview
The Smart M59Pro-S edition, on a metal base, supports every key point of your body with spring lumbar support that follows your movements and 3D flip-up armrests.
Armrests: 3D
Recline: 115–136°
Lumbar support: Spring, self-adjusting
Headrest: 2D
Footrest: None
Backrest material: Mesh
Seat material: Mesh
Base: Chrome
Gas lift: Class 3
Dimensions
| Dimension | Value |
|---|---|
| Maximum load | 136 kg |
| Recommended user height | 155–185 cm |
Customer Reviews
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Product Details
"Smart: Style, Features, and Comfort for Every Day
Smart M59Pro-S Edition, the ergonomic chair for you, in Grey
Ergonomic Office Chair – premium design that supports every movement
✔ PE with Polyester Full Mesh Upholstery – high-quality PE and polyester mesh that is durable and highly breathable, reducing heat build-up
✔ Two Joints Headrest (8 Gears Lifting & Angle Adjustment) – dual-joint headrest with 8 height levels and adjustable angle, supporting the neck and head
✔ PA with Fiber Backrest (Strong & Durable) – PA and fiber backrest that is strong and durable, supporting the back according to ergonomic principles
✔ Spring Lumbar Support (Adjusts Adaptively) – spring-type lumbar support that adjusts automatically to the user's body, helping reduce back pain
✔ 3D Flip-Up Armrest with Soft PU Surface – 3D armrests that flip up, with a soft, comfortable PU surface; they slide forward-back and adjust left-right for every sitting posture
✔ Cold-Rolled Thicken Mechanism (Adjustable for Lifting, Tightness & Locking at 115°-126°-136°) – mechanism that adjusts height and tension and locks the recline at 3 positions (115°-126°-136°), supporting a wide range of sitting postures
✔ TUV Class 3 Gas Lift (Passed USA BIFMA Certification) – TUV Class 3 gas lift that meets the US BIFMA standard, for stable support of weight and everyday use
✔ Chromed Base (350mm) – shiny metal base that is strong and durable, supporting long-term use
✔ PU Castors (Mute & Floor-Friendly) – quiet PU casters that reduce noise, roll smoothly and do not mark the floor
💡 Recommended by health experts
The Smart M59Pro is designed to support your body at every key point. Its Spring Lumbar Support adapts to your body's movement and helps reduce back pain from long sitting, and the 3D Flip-Up Armrests support your arms perfectly, making the Smart M59Pro an ideal choice for anyone who wants a chair for everyday health and comfort."
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
Lower price SIHOO Smart M59Pro – Contoured Support, Flip-Up Armrests, Comfortable All Day฿4,990 – ฿6,490 | This modelSIHOO Smart M59Pro-S Ergonomic Chair – Flip-Up Armrests, Large Size, Metal Base฿5,990 | Higher price SIHOO Model M57 Ergonomic Chair฿6,590 | |
|---|---|---|---|
| Armrests | 3D | 3D | 3D |
| Lumbar support | Spring, self-adjusting | Spring, self-adjusting | 2D (height and depth) |
| Recline | 115–136° | 115–136° | 109–126° |
| Footrest | Available (FT version) | None | None |
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