---
product_id: 528179935
title: "SIHOO Ergonomic Office Chair with Dynamic Lumbar Support, 3D Armrests & Adjustable Backrest, Footrest for Enhanced Comfort, Desk Chair for Home Office, Doro C300 - Black (Supports up to 150 kg)"
brand: "sihoo"
price: "¥239251"
currency: JPY
in_stock: false
category: "Sihoo"
url: https://www.desertcart.jp/products/528179935-sihoo-ergonomic-office-chair-with-dynamic-lumbar-support-3d-armrests
store_origin: JP
region: Japan
---

# 4-position adjustable backrest 3D ultra-soft adjustable armrests 150kg max weight capacity SIHOO Ergonomic Office Chair with Dynamic Lumbar Support, 3D Armrests & Adjustable Backrest, Footrest for Enhanced Comfort, Desk Chair for Home Office, Doro C300 - Black (Supports up to 150 kg)

**Brand:** sihoo
**Price:** ¥239251
**Availability:** ❌ Out of Stock

## Summary

> 🖥️ Elevate your workday comfort with SIHOO’s smart ergonomic mastery

## Quick Answers

- **What is this?** SIHOO Ergonomic Office Chair with Dynamic Lumbar Support, 3D Armrests & Adjustable Backrest, Footrest for Enhanced Comfort, Desk Chair for Home Office, Doro C300 - Black (Supports up to 150 kg) by sihoo
- **How much does it cost?** ¥239251 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/528179935-sihoo-ergonomic-office-chair-with-dynamic-lumbar-support-3d-armrests)

## 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

- • **Precision 3D Armrests:** Move in sync with your recline for ergonomic arm comfort
- • **Adaptive Lumbar Support:** Self-adjusts to your posture for all-day back relief
- • **Dynamic Breathable Mesh:** Keeps you cool and comfortable during marathon work sessions
- • **Smart Weight-Sensing Recline:** Effortless balance and tilt up to 130° tailored to your weight
- • **Certified Safety & Durability:** 12 patents & TÜV, SGS, BIFMA certified for peace of mind

## Overview

The SIHOO Doro C300 is a cutting-edge ergonomic office chair designed for professionals seeking superior comfort and health-conscious posture support. Featuring a self-adaptive lumbar system, breathable mesh backrest with 4-position height adjustment, and ultra-soft 3D armrests that move with you, it supports up to 150kg with a smart weight-sensing recline mechanism. Certified for safety and durability, this chair blends advanced technology with sleek design to transform your home office experience.

## Description

SIHOO Ergonomic Office Chair with Dynamic Lumbar Support, 3D Armrests & Adjustable Backrest, Footrest for Enhanced Comfort, Desk Chair for Home Office, Doro C300 - Black (Supports up to 150 kg)

## Features

- 【Optimized Ergonomic Design with Footrest for All-Day Comfort】The SIHOO Doro C300 ergonomic office chair now comes with a built-in footrest for enhanced relaxation. Featuring an adjustable headrest, dynamic lumbar support, ultra-soft 3D armrests, and a breathable mesh design, this chair offers all-day comfort and support, ideal for both work and relaxation.
- 【Dynamic Backrest with 4-Position Adjustments and Footrest】The ergonomic backrest features a flexible mesh design that conforms to your body, while the four-position adjustable mechanism allows you to customize the chair's height and backrest to suit your needs. The added footrest provides even more comfort during longer sitting sessions, perfect for those seeking additional support.
- 【Self-Adaptive Lumbar Support & 3D Armrests for Maximum Comfort】The lumbar support automatically adapts to your movements, offering continuous relief for your lower back. The 3D armrests can adjust in three directions, ensuring optimal arm support whether you’re sitting upright or reclining, now enhanced with the added comfort of a footrest.
- 【Smart Weight-Sensing Mechanism with Footrest Comfort】Designed to support users up to 150 kg, the weight-sensing mechanism ensures effortless, balanced reclining at adjustable angles of 110°, 120°, and 130°. The added footrest allows for further relaxation, making this chair perfect for both work and leisure.
- 【Certified for Safety & Backed by a 3-Year Warranty】The SIHOO Doro C300 ergonomic office chair holds 12 patents and complies with EU REACH and EN1335 standards. It is certified by German TUV and meets US SGS BIFMA standards. A 3-year warranty and free product accessories guarantee durability and peace of mind.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0H8NSB7N3 |
| Age Range Description | Adult |
| Arm Height | 73.5 Centimetres |
| Arm Style | 6D Flip-up |
| Back Style | Split Back |
| Best Sellers Rank | 23,522 in Home & Kitchen ( See Top 100 in Home & Kitchen ) 77 in Desk Chairs |
| Brand | SIHOO |
| Brand Name | SIHOO |
| Chair Backrest Width | 62 Centimetres |
| Colour | C300-jt(black) |
| Country Of Origin | China |
| Cushion Style | Knife Edge |
| Customer Reviews | 4.2 out of 5 stars 1,773 Reviews |
| Fabric Type | Mesh |
| Finish Type | Polished |
| Form Factor | Desk Chair |
| Frame Material Type | Aluminum |
| Included Components | Arm Pad |
| Indoor Outdoor Usage | Indoor |
| Is Assembly Required? | Yes |
| Is Foldable | No |
| Item Dimensions | 78.5 x 70 x 126 centimetres |
| Item Dimensions D x W x H | 78.5D x 70W x 126H centimetres |
| Item Shape | L-Shape |
| Item Weight | 24 Kilograms |
| Item weight | 24 Kilograms |
| Manufacturer | SIHOO |
| Manufacturer Part Number | DORO-C300L-A3-102-JT |
| Material | Mesh |
| Material Type | Mesh |
| Maximum Weight Recommendation | 150 Kilograms |
| Model Name | C300 |
| Model Number | C300 |
| Number of Height Positions | 3 |
| Pattern | Solid |
| Product Care Instructions | Wipe Clean |
| Product dimensions | 78.5D x 70W x 126H centimetres |
| Recommended Uses For Product | Computer |
| Room Type | Office |
| Seat Back Interior Height | 8.5 Centimetres |
| Seat Depth | 47 centimetres |
| Seat Height | 55.3 Centimetres |
| Seat Length | 48 Centimeters |
| Seat Material Type | Mesh |
| Size | Pack of 1 |
| Sleeping Bag Filling Material | Polyester |
| Special Features | Ergonomic |
| Style Name | Pack of 1 |
| Surface Recommendation | Hard Floor |
| Theme | OFFICE |
| Tilting | Yes |
| Unit Count | 1.0 count |
| Upholstery Fabric Type | Mesh |

## Product Details

- **Brand:** SIHOO
- **Colour:** Black
- **Material:** Metal
- **Product dimensions:** 23.2D x 49W x 42H centimetres
- **Size:** Standard

## Images

![SIHOO Ergonomic Office Chair with Dynamic Lumbar Support, 3D Armrests & Adjustable Backrest, Footrest for Enhanced Comfort, Desk Chair for Home Office, Doro C300 - Black (Supports up to 150 kg) - Image 1](https://m.media-amazon.com/images/I/61z0sN-8WPL.jpg)
![SIHOO Ergonomic Office Chair with Dynamic Lumbar Support, 3D Armrests & Adjustable Backrest, Footrest for Enhanced Comfort, Desk Chair for Home Office, Doro C300 - Black (Supports up to 150 kg) - Image 2](https://m.media-amazon.com/images/I/61Hmeq2KdnL.jpg)
![SIHOO Ergonomic Office Chair with Dynamic Lumbar Support, 3D Armrests & Adjustable Backrest, Footrest for Enhanced Comfort, Desk Chair for Home Office, Doro C300 - Black (Supports up to 150 kg) - Image 3](https://m.media-amazon.com/images/I/71z89zz8hHL.jpg)
![SIHOO Ergonomic Office Chair with Dynamic Lumbar Support, 3D Armrests & Adjustable Backrest, Footrest for Enhanced Comfort, Desk Chair for Home Office, Doro C300 - Black (Supports up to 150 kg) - Image 4](https://m.media-amazon.com/images/I/61yplyHFkSL.jpg)
![SIHOO Ergonomic Office Chair with Dynamic Lumbar Support, 3D Armrests & Adjustable Backrest, Footrest for Enhanced Comfort, Desk Chair for Home Office, Doro C300 - Black (Supports up to 150 kg) - Image 5](https://m.media-amazon.com/images/I/71dPk2ZJEpL.jpg)

## Available Options

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

## Questions & Answers

**Q: Is this chair friendly for a designer who needs to sit in front of a computer for a long time?**
A: Great,！even if I sit in front of the computer for 6-8 hours every day, I don't feel any discomfort in my waist. I have already phased out the chair I bought for 50 pounds a year ago.

**Q: Do I have to pay customs for this to be delivered in EU?**
A: Mine was shipped from Uk, so
Not sure about eu

**Q: Can you help me understand the lumbar support function and other adjustment functions of this chair?**
A: I tried to describe these aspects in my review. What do you want to know?

**Q: Seat seems very low at it's highest setting, any feedback from recent purchasers please?**
A: The height is good

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.jp/products/528179935-sihoo-ergonomic-office-chair-with-dynamic-lumbar-support-3d-armrests](https://www.desertcart.jp/products/528179935-sihoo-ergonomic-office-chair-with-dynamic-lumbar-support-3d-armrests)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-08-07*