---
product_id: 798196194
title: "Ergonomic Office Chair Without Headrest, Genuine Leather Seat, Adjustable Seat Depth, 4D Armrests, Aluminum Alloy Base, Mesh Back, High-End Executive Desk Chair Black (Obsidian Black)"
brand: "colamy"
price: "17655 Lei"
currency: RON
in_stock: true
category: "Colamy"
url: https://www.desertcart.ro/products/798196194-ergonomic-office-chair-without-headrest-genuine-leather-seat-adjustable-seat
store_origin: RO
region: Romania
---

# 4D adjustable armrests Multi-tilt synchro mechanism 300 lbs weight capacity Ergonomic Office Chair Without Headrest, Genuine Leather Seat, Adjustable Seat Depth, 4D Armrests, Aluminum Alloy Base, Mesh Back, High-End Executive Desk Chair Black (Obsidian Black)

**Brand:** colamy
**Price:** 17655 Lei
**Availability:** ✅ In Stock

## Summary

> 🖤 Elevate your executive vibe with comfort that commands attention.

## Quick Answers

- **What is this?** Ergonomic Office Chair Without Headrest, Genuine Leather Seat, Adjustable Seat Depth, 4D Armrests, Aluminum Alloy Base, Mesh Back, High-End Executive Desk Chair Black (Obsidian Black) by colamy
- **How much does it cost?** 17655 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/798196194-ergonomic-office-chair-without-headrest-genuine-leather-seat-adjustable-seat)

## Best For

- colamy enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Posture Control:** Multi-tilt mechanism with three lockable recline angles lets you switch from focus to relaxation seamlessly.
- • **Smooth Mobility & Stability:** Aluminum alloy base with quiet PU casters offers sturdy support and easy movement without floor damage.
- • **Premium Durability Meets Style:** Genuine cowhide leather seat with high-density foam combines luxury with lasting comfort.
- • **Tailored Comfort in Every Move:** 4D armrests adjust in all directions for personalized support during long workdays.
- • **Precision Fit for Your Workspace:** Adjustable seat depth and height ensure perfect ergonomic alignment with your desk and body.

## Overview

The COLAMY Hina-M-US Ergonomic Office Chair blends premium genuine leather seating with advanced ergonomic features like 4D adjustable armrests, adjustable seat depth, and a multi-tilt synchro mechanism. Built on a durable aluminum alloy base with smooth PU casters, it supports up to 300 lbs while offering customizable comfort and sleek modern aesthetics ideal for professional workspaces.

## Description

The Hina-M-US Ergonomic Office Chair is built for users who demand both comfort and durability in their workspace seating. The genuine cowhide leather seat and high-density molded foam offer supportive cushioning that retains its shape over time. The breathable imported mesh back keeps you cool, while the carbon-gray aluminum frame adds a sleek, modern look. A fully adjustable seat depth and height allow precise positioning, and the 4D armrests adapt to your movements throughout the day. The multi-tilt synchro mechanism offers three recline angles—103°, 120°, and 137.5°—to support different tasks, from focused work to relaxed breaks. The aluminum alloy base and seat plate provide exceptional strength, and the PU casters ensure smooth, quiet mobility on various floor types. With a 300 lbs weight capacity and premium build materials, this chair is an ideal choice for both home and executive office environments.

## Features

- Genuine Leather Seat with High-Density Foam – Premium cowhide leather seat paired with molded high-density sponge for long-lasting comfort and shape retention. Waterfall edge design helps reduce leg pressure.
- Adjustable Seat Depth & Height – Seat slides forward/backward by 2.2" for optimal thigh support, and height adjusts within 4.92" to fit different desk setups and body types.
- 4D Adjustable Armrests – Move armrests up/down, forward/backward, side-to-side, and rotate for customized arm support during typing, reading, or reclining.
- Multi-Tilt Mechanism with Lock Positions – Three tilt angles (103°/120°/137.5°) with synchro-tilt function and adjustable tilt tension for balanced reclining and posture change.
- Durable Aluminum Alloy Base & Smooth PU Casters – Strong aluminum five-star base and seat plate for stability, with quiet PU wheels that roll smoothly and protect floors. Weight capacity: 300 lbs.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0FMJTZP66 |
| Additional Features | 4D Armrests, Adjustable Height, Adjustable Seat Depth, Genuine Leather Seat, High-Density Molded Foam |
| Age Range Description | Adult |
| Arm Style | Standard |
| Back Style | Mesh Back |
| Best Sellers Rank | #786,155 in Office Products ( See Top 100 in Office Products ) #2,204 in Managerial Chairs & Executive Chairs |
| Brand | COLAMY |
| Brand Name | COLAMY |
| Color | Obsidian Black |
| Fill Material | Foam |
| Frame Material Type | Aluminum Alloy，Metal |
| Included Components | Arm Pad |
| Indoor Outdoor Usage | Indoor |
| Item Depth | 26.18 inches |
| Item Dimensions | 26.18 x 31.5 x 44.49 inches |
| Item Dimensions D x W x H | 26.18"D x 31.5"W x 44.49"H |
| Item Type Name | hina-m office chair |
| Item Weight | 49 Pounds |
| Leg Style | wheels |
| Manufacturer | COLAMY |
| Material | Aluminum, High-Density Molded Foam, Leather, Polyurethane |
| Material Type | Aluminum, High-Density Molded Foam, Leather, Polyurethane |
| Maximum Weight Recommendation | 300 Pounds |
| Model Name | HINA-M-BK |
| Model Number | HINA-M-BK |
| Pattern | Solid |
| Product Dimensions | 26.18"D x 31.5"W x 44.49"H |
| Reclining Position Count | 4 |
| Required Assembly | Yes |
| Seat Depth | 16.61 inches |
| Seat Material | Leather |
| Shape | Rectangular |
| Size | 31.5 inches x 26.18 inches x 44.49 inches |
| Style Name | Modern |
| UPC | 607606427370 |
| Unit Count | 1.0 Count |

## Images

![Ergonomic Office Chair Without Headrest, Genuine Leather Seat, Adjustable Seat Depth, 4D Armrests, Aluminum Alloy Base, Mesh Back, High-End Executive Desk Chair Black (Obsidian Black) - Image 1](https://m.media-amazon.com/images/I/7150rE1nCDL.jpg)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-03-03*