---
product_id: 70839063
title: "SIHOO M59AS Ergonomic Office Chair, Dual Backrest, Adaptive Lumbar Support"
brand: "sihoo"
price: "$1415.24"
currency: USD
in_stock: true
reviews_count: 13
category: "Sihoo"
url: https://www.desertcart.us/products/70839063-sihoo-m59as-ergonomic-office-chair-dual-backrest-adaptive-lumbar-support
store_origin: US
region: United States of America
---

# Dual adaptive backrest Supports up to 330 lbs Breathable full-mesh design SIHOO M59AS Ergonomic Office Chair, Dual Backrest, Adaptive Lumbar Support

**Brand:** sihoo
**Price:** $1415.24
**Availability:** ✅ In Stock

## Summary

> 🖥️ Sit Smart, Work Sharp — Comfort That Keeps Up With Your Hustle

## Quick Answers

- **What is this?** SIHOO M59AS Ergonomic Office Chair, Dual Backrest, Adaptive Lumbar Support by sihoo
- **How much does it cost?** $1415.24 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/70839063-sihoo-m59as-ergonomic-office-chair-dual-backrest-adaptive-lumbar-support)

## Best For

- sihoo enthusiasts

## Why This Product

- Trusted sihoo brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last & Support:** Durable, BIFMA-tested frame supporting up to 330 lbs for everyday confidence.
- • **Relax & Recharge Recline:** 110°–125° recline with adjustable headrest for perfect workday breaks.
- • **Ergonomic Dual-Back Design:** Adaptive lumbar support that moves with you for all-day spinal comfort.
- • **Cool & Comfortable Mesh Seat:** Breathable saddle-shaped seat that evenly distributes weight and keeps you fresh.
- • **Space-Savvy 3D Flip-Up Armrests:** Armrests that adjust and tuck away neatly to maximize your workspace.

## Overview

The SIHOO M59AS Ergonomic Office Chair features a unique dual-backrest with adaptive lumbar support, breathable full-mesh seating, and 3D flip-up armrests designed for flexible workspaces. Engineered for long hours, it offers a reclining headrest and supports up to 330 lbs, meeting BIFMA and SGS durability standards—perfect for professionals seeking comfort and style in home or office environments.

## Description

Buy SIHOO M59AS Ergonomic Office Chair, Dual Backrest, Adaptive Lumbar Support | 3D Flip-Up Armrests, Full Breathable Mesh, Reinforced Aluminum Base, 330 lb, Comfort That Moves With You, Black: Home Office Desk Chairs - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Exactly what I needed! - So, I am an extremely vertically challenged woman, so you can imagine the struggle I hope in finding a chair that not only suits my height, but is comfortable and supportive of my spinal health. I found this recommended by others online and decided to risk the chance to see how it was. And so far, I am extremely pleased! I can sit for longer than 30 minutes without immediate tailbone pain (injured)! It also has an adjustable neck rest! My only wish was that it had a greater recline to it for those lazy days, but that's a small nitpick, especially for the incredible price!
Review: Excellent Quality, Sturdy Build & Great Lumbar Support - Amazing SIHOO chair quality! The fit and construction are excellent—it feels like it could easily support 500 lbs. I feel very safe and stable moving around, and the lumbar support really works.

## Features

- 【Adaptive Back Support】 From focused work and virtual meetings to study sessions, comfort starts with support that adapts to you. The dual-back design and adaptive lumbar support respond naturally as you change positions, helping keep your lower back comfortably supported whether you're leaning forward to focus or reclining between tasks.
- 【Designed for Flexible Spaces】 Ideal for home offices, apartments, bedrooms, and shared workspaces. The coordinated 3D armrests adapt to different sitting positions throughout the day, then flip up to let the chair slide neatly under most desks when extra space is needed.
- 【Comfort Through Long Hours】 Long hours at a desk can create pressure and heat buildup. The wide saddle-shaped seat helps distribute weight more evenly across the hips and thighs, while the breathable full-mesh design promotes airflow to help keep you cool, comfortable, and focused throughout the day.
- 【Made for Workday Breaks】 Between meetings, emails, and focused projects, small breaks matter. The adjustable headrest supports your head and neck as your posture changes, while the 110°–125° recline lets you lean back comfortably and relax between tasks without losing support.
- 【Built for Everyday Confidence】 Designed for daily use in home offices and professional workspaces, the SIHOO M59AS combines dependable stability with lasting durability. Tested to BIFMA and SGS standards and supporting up to 330 lbs (150 kg), it's built to deliver reliable performance day after day.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DFGB4YRG |
| Additional Features | Adjustable Headrest, Back Support, Ergonomic |
| Age Range Description | Adult |
| Arm Style | Rounded |
| Back Style | Solid Back |
| Best Sellers Rank | #137,045 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #384 in Home Office Desk Chairs |
| Brand | SIHOO |
| Brand Name | SIHOO |
| Color | Black |
| Cushion Style | Rounded Edge |
| Customer Reviews | 4.3 out of 5 stars 518 Reviews |
| Fill Material | Polystyrene |
| Finish Types | Plastic |
| Form Factor | Office Chair |
| Frame Material Type | Polypropylene |
| Furniture Base Movement | Swivel |
| Included Components | Arm Pad, Cushion |
| Indoor Outdoor Usage | Indoor |
| Item Depth | 17.12 inches |
| Item Dimensions | 17.13 x 19.88 x 40 inches |
| Item Dimensions D x W x H | 17.1"D x 20"W x 40"H |
| Item Weight | 38 pounds |
| Leg Style | Tapered Leg |
| Manufacturer | SIHOO |
| Manufacturer Part Number | M59 |
| Material | Mesh |
| Material Type | Mesh |
| Maximum Weight Recommendation | 300 pounds |
| Model Name | M59AS-M302 |
| Model Number | M59AS |
| Number of Items | 1 |
| Number of Packs | 1 |
| Pattern | Solid |
| Product Care Instructions | Wipe Clean |
| Product Dimensions | 17.1"D x 20"W x 40"H |
| Reclining Position Count | 1 |
| Recommended Uses For Product | Office |
| Room Type | Office |
| Seat Depth | 20 inches |
| Seat Material | Mesh |
| Shape | L-Shape |
| Size | Pack of 1 |
| Style Name | Modern |
| Surface Recommendation | Hard Floor |
| Unit Count | 1 Count |
| Upholstery Fabric Type | Mesh |

## Product Details

- **Brand:** SIHOO
- **Color:** Black
- **Material:** Memory foam
- **Product Dimensions:** 17.1"D x 20"W x 40"H
- **Size:** Medium

## Images

![SIHOO M59AS Ergonomic Office Chair, Dual Backrest, Adaptive Lumbar Support - Image 1](https://m.media-amazon.com/images/I/71UF6G+AuiL.jpg)
![SIHOO M59AS Ergonomic Office Chair, Dual Backrest, Adaptive Lumbar Support - Image 2](https://m.media-amazon.com/images/I/71VVsQ-aG3L.jpg)
![SIHOO M59AS Ergonomic Office Chair, Dual Backrest, Adaptive Lumbar Support - Image 3](https://m.media-amazon.com/images/I/71vNtTV+hoL.jpg)
![SIHOO M59AS Ergonomic Office Chair, Dual Backrest, Adaptive Lumbar Support - Image 4](https://m.media-amazon.com/images/I/71zxpSj6DOL.jpg)
![SIHOO M59AS Ergonomic Office Chair, Dual Backrest, Adaptive Lumbar Support - Image 5](https://m.media-amazon.com/images/I/71lSR7U-RwL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Exactly what I needed!
*by R***E on June 14, 2026*

So, I am an extremely vertically challenged woman, so you can imagine the struggle I hope in finding a chair that not only suits my height, but is comfortable and supportive of my spinal health. I found this recommended by others online and decided to risk the chance to see how it was. And so far, I am extremely pleased! I can sit for longer than 30 minutes without immediate tailbone pain (injured)! It also has an adjustable neck rest! My only wish was that it had a greater recline to it for those lazy days, but that's a small nitpick, especially for the incredible price!

### ⭐⭐⭐⭐⭐ Excellent Quality, Sturdy Build & Great Lumbar Support
*by M***Z on August 17, 2026*

Amazing SIHOO chair quality! The fit and construction are excellent—it feels like it could easily support 500 lbs. I feel very safe and stable moving around, and the lumbar support really works.

### ⭐⭐⭐⭐ Great chair, except for the headrest
*by J***L on August 11, 2026*

I’ve had this chair for about 2-3 weeks now and for the price, I think it’s great except for the headrest. I’m 5’4, so the lumbar support is honestly great for me, even if it isn’t adjustable. The headrest, no matter what position it is in, pushes your head so far forward that you can’t sit all the way back in the chair and utilize the lumbar support, which is a little disappointing (I just took it off and use the chair without it). The adjustable arm rests are great, I love that they can move and flip up, which is nice for playing guitar in. Setup was easy and only took me about 20-25 mins. The quality is pretty good, with only a few snags on the seat of the chair, which I honestly don’t care about at the price point. Looks great, only negative is the headrest and lack of options for one that you can use.

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-09-21*