---
product_id: 657975020
title: "Flex Ergonomic Chair for Long Sitting Hours | Patented iAdapt Lumbar Support | SmartGRID Technology | Adjustable armrests and headrest | Office and Home | Free Installation | Grey"
brand: "the sleep company"
price: "€ 801.14"
currency: EUR
in_stock: true
reviews_count: 8
category: "The Sleep Company"
url: https://www.desertcart.sk/products/657975020-flex-ergonomic-chair-for-long-sitting-hours-patented-iadapt-lumbar
store_origin: SK
region: Slovakia
---

# SmartGRID Cushioning Tech Adjustable Seat & Backrest Patented iAdapt Lumbar Support Flex Ergonomic Chair for Long Sitting Hours | Patented iAdapt Lumbar Support | SmartGRID Technology | Adjustable armrests and headrest | Office and Home | Free Installation | Grey

**Brand:** the sleep company
**Price:** € 801.14
**Availability:** ✅ In Stock

## Summary

> 💺 Upgrade your workspace, upgrade your life — sit smart, work smarter!

## Quick Answers

- **What is this?** Flex Ergonomic Chair for Long Sitting Hours | Patented iAdapt Lumbar Support | SmartGRID Technology | Adjustable armrests and headrest | Office and Home | Free Installation | Grey by the sleep company
- **How much does it cost?** € 801.14 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/657975020-flex-ergonomic-chair-for-long-sitting-hours-patented-iadapt-lumbar)

## Best For

- the sleep company enthusiasts

## Why This Product

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

## Key Features

- • **Relax Mode Activated:** Recline up to 135° with synchronous recliner to recharge without leaving your chair.
- • **Ergonomic Lumbar Mastery:** Patented iAdapt lumbar design molds perfectly to your back for all-day support.
- • **Custom Fit for Every Height:** Adjustable seat slider and backrest slots fit users from 5’2” to 6’1” seamlessly.
- • **3D Armrests & Swivel Headrest:** Wide, multi-dimensional armrests and 2D swivel headrest keep you comfortable and productive.
- • **Revolutionary SmartGRID Comfort:** Innovative SmartGRID tech balances softness and firmness for fatigue-free sitting.

## Overview

The Sleep Company Flex Ergonomic Chair combines patented iAdapt lumbar support and SmartGRID cushioning technology to deliver unparalleled comfort for long sitting hours. Designed for professionals between 5’2” and 6’1”, it features adjustable seat sliders, a reclining synchronous mechanism, and 3D armrests with a swivel headrest. Perfect for office or home use, it comes with free installation and a 3-year warranty, making it a premium ergonomic investment for your productivity and well-being.

## Description

The Sleep Company Flex Ergonomic Chair for Long Sitting Hours | Patented iAdapt Lumbar Support | SmartGRID Technology | Adjustable armrests and headrest | Office and Home | Free Installation | Grey : desertcart.in: Home & Kitchen

Review: Best for WFH chair and long hour sitting. - The chair is so, so good in quality and comfort with the variable distance for lumbar support. The adjustment it has for thigh, arm and lumbar support is great, you can adjust according and good for long hour sitting.
Review: Comfortable, Supportive, and Perfect for Long Work Hours - Great comfort and support! The Sleep Company Flex Ergonomic Chair is very comfortable for long hours, with excellent back and lumbar support. The cushioning feels premium, the build is sturdy, and the adjustments make it easy to find the perfect sitting position. It’s stylish, supportive, and a great upgrade for any workspace. Highly recommended! 👍

## Features

- PATENTED INTELLIGENT LUMBAR DESIGN ErgoSmart Flex Office Chair comes with unique flexible iAdapt lumbar design that is smart enough to truly adapt to your back giving you unparalleled back comfort
- PATENTED SMARTGRID TECHNOLOGY More than 50% of your lifetime. That's the time you spend sitting! It's time for the comfort revolution you always deserved – Patented SmartGRID Technology. It's gentle on your thighs yet firm for your sitting posture - perfect for long sitting hours!
- ADAPTIVE SEAT & HEIGHT ADJUSTABLE BACKREST The seat slider ensures adequate comfort to thighs especially for people on the taller side This is very unique feature with great utility. The backrest comes with slots of different heights which can be fixed to the chair’s frame ensuring you get the right posture and ergonomics at any height between 5’2” to 6’1”
- RECLINE & RELAX Tired of long hours of focus? Don’t worry. Just sit back, recline and relax for a breather. You can recline up to 135⁰ with this synchronous recliner.
- ADJUSTABLE HEADREST & WIDE 3D ARMRESTS ErgoSmart Flex Office Chair has a 2D Swivel Headrest that is useful both will resting as well as while working and can alternate between a headrest and a neckrest 3-Dimensional Adjustable armrests with wide dimensions ensure they adjust to your height as well as the desk so that your hands are always on a comfortable position while working.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DBTVNWMX |
| Age Range Description | Adult |
| Arm Style | Standard |
| Back Style | Solid Back |
| Bed Type | Office chair |
| Best Sellers Rank | #34,698 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #125 in Home Office Desk Chairs |
| Brand | The Sleep Company |
| Colour | Grey |
| Country of Origin | India |
| Customer Reviews | 4.2 out of 5 stars 70 Reviews |
| Fill Material | SmartGRID |
| Finish Types | Powder Coated |
| Frame Material | Nylon |
| Included Components | Chair |
| Indoor Outdoor Usage | Indoor |
| Item Dimensions D x W x H | 48.5D x 70W x 129H Centimeters |
| Item Height | 129 Centimeters |
| Item Weight | 21.5 Kilograms |
| Leg Style | wheels |
| Manufacturer | Comfort Grid Technologies Private Limited, Warehouse no. S4, South Park Welspun One Logistics Park, DOB Estate, Bapgaon Sonale Road, Lonad, Bapgaon Village,, Bhiwandi, Maharashtra, 421302, IN, The Sleep Company |
| Manufacturer Contact Information | Comfort Grid Technologies Private Limited, Warehouse no. S4, South Park Welspun One Logistics Park, DOB Estate, Bapgaon Sonale Road, Lonad, Bapgaon Village,, Bhiwandi, Maharashtra, 421302, IN |
| Material | SmartGRID |
| Model Name | Flex |
| Model number | ESFLEX002 |
| Packer Contact Information | The Sleep Company Mumbai Maharashtra, 9811981911 |
| Pattern | Grey |
| Product Care Instructions | Wipe Clean |
| Product Dimensions | 48.5D x 70W x 129H Centimeters |
| Product Features | Adjustable Height, Adjustable Lumbar, Arm Rest, Ergonomic, Head Support |
| Reclining Position Count | 2 |
| Recommended Uses For Product | Office |
| Room Type | Living Room, Office |
| Seat Material Type | SmartGRID |
| Size | High Back |
| Style | Flex |
| Surface Recommendation | Hard Floor |
| Unit Count | 1.0 Count |
| Warranty Description | Our Warranty is Our Promise The Sleep Company's warranty is our promise to you that we stand behind your comfort and we stand behind our products. It is the signature of our long-standing mutual trust with you. That is why we have 3 years warranty for ErgoSmart Flex Office Chair. |
| Wood Type | SmartGRID |

## Product Details

- **Brand:** The Sleep Company
- **Colour:** Grey
- **Material:** SmartGRID
- **Product Dimensions:** 48.5D x 70W x 129H Centimeters
- **Size:** High Back
- **Item Weight:** 21.5 Kilograms
- **Back Style:** Solid Back
- **Frame Material:** Nylon
- **Special Feature:** Adjustable Height, Adjustable Lumbar, Arm Rest, Ergonomic, Head Support
- **Product Care Instructions:** Wipe Clean

## Images

![Flex Ergonomic Chair for Long Sitting Hours | Patented iAdapt Lumbar Support | SmartGRID Technology | Adjustable armrests and headrest | Office and Home | Free Installation | Grey - Image 1](https://m.media-amazon.com/images/I/71EDOrSbgkL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Best for WFH chair and long hour sitting.
*by A***R on 22 October 2025*

The chair is so, so good in quality and comfort with the variable distance for lumbar support. The adjustment it has for thigh, arm and lumbar support is great, you can adjust according and good for long hour sitting.

### ⭐⭐⭐⭐⭐ Comfortable, Supportive, and Perfect for Long Work Hours
*by M***N on 31 December 2025*

Great comfort and support! The Sleep Company Flex Ergonomic Chair is very comfortable for long hours, with excellent back and lumbar support. The cushioning feels premium, the build is sturdy, and the adjustments make it easy to find the perfect sitting position. It’s stylish, supportive, and a great upgrade for any workspace. Highly recommended! 👍

### ⭐⭐⭐⭐⭐ Great product especially for those with back issues
*by S***. on 28 November 2025*

Very comfortable. Even with my back issues, long hours of sitting is very much comfortable. Assembling the chair was not too complicated either, and the adjustable seat is a game changer.

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**Shop now:** [https://www.desertcart.sk/products/657975020-flex-ergonomic-chair-for-long-sitting-hours-patented-iadapt-lumbar](https://www.desertcart.sk/products/657975020-flex-ergonomic-chair-for-long-sitting-hours-patented-iadapt-lumbar)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-01-24*