# SIHOO M57 Ergonomic Office Chair 330 lb

For comfortable long sitting, the SIHOO M57 offers adjustable lumbar and head support with breathable mesh. Check the price and return policy before.

- [Original product page](https://www.ofertitastop.com/uk/product/sihoo-m57-ergonomic-office-chair-330)
- [View offer](https://www.ofertitastop.com/uk/visit/sihoo-m57-ergonomic-office-chair-330)
- Market: UK
- Language: en-GB
- Currency: GBP
- Product updated: 2026-03-03T00:51:21.926Z
- SKU: ofertitastop-uk-31772
- Category: Furniture > Chairs > Electric Massage Chairs
- Source store: amazon UK
- Active deal: No
- Rating: 4.3 / 5
- Reviews: 5977

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## Description

## At a glance
The SIHOO M57 is an ergonomic high‑back office chair designed to support long hours at a desk. It pairs a breathable polyester mesh back with an adjustable headrest and lumbar support to reduce strain during work or gaming, and it tilts and adjusts in height to help you find a comfortable posture.

## Tech specs
- Name: SIHOO M57 Ergonomic Office Chair Mesh Desk Chair
- Type: Office chair
- Material: Polyester mesh
- Colour: Grey
- Capacity: 330 lbs
- Size: High back

## Why it’s worth it
This chair focuses on practical comfort rather than flashy features. The S-shaped backrest follows the spine and the adjustable lumbar and headrest let you tailor support to your build. The seat cushion has a springy foam front edge and a gentle curve that eases pressure on the thighs, which helps during long shifts. According to the manufacturer the gas lift meets BIFMA and SGS standards, and the chair is rated to bear up to 330 lbs, which adds reassurance on durability.

## Everyday use
The 3D armrests move up and down in five positions and also slide and rotate, so you can position them for typing, reading or reclining. The mesh back and ventilated seat keep air flowing, so you are less likely to feel hot during summer or intense sessions. Assembly is straightforward with seven steps and clear instructions, and replacement parts are available under the three year warranty if something goes wrong.

## Getting the most from it
It’s a good fit if you spend several hours at a desk and need adjustable support for neck and lower back. Bear in mind that the chair aims at balanced comfort rather than luxury padding, so if you prefer very soft seats you may want to try it first. The manufacturer offers free returns within 30 days for faults and a three year warranty with replacement parts, which provides added peace of mind. 🙂🪑

## Images

![SIHOO M57 Ergonomic Office Chair 330 lb — 1](https://www.ofertitastop.com/i/Gkj-33frnNuIdKI-GCoaBQ9PeEPxpssNVs_Gv08fk9RvVTpaXsCquwNg6eGi7Ri2vmBupfMjDKd9MgqM4RMMXyZIL7Uz83wbhh-VClKQ0JUg74JTsJiXEwSQBA.jpg)

![SIHOO M57 Ergonomic Office Chair 330 lb — 2](https://www.ofertitastop.com/i/QeqMcktM4kU2LuaMS7Fiv-DlFVWhBVR7lU6wztBPBvfN9PL_V7ooAaHtLkmjdM--4cvUsbkeExIv4CR22Cit-9IlGSmKfNijPlXbaZY_GezLbuQetgq7E1QvwQ.jpg)

![SIHOO M57 Ergonomic Office Chair 330 lb — 3](https://www.ofertitastop.com/i/vRVKoCp72HgelUmbIExmMHQLuQAqcllc3iGqCtGU7zVHsRPNtcJuCn9A9uJfw4-zECDKa6PRZpxh79CBvJEQRmUTqTTqVhlWZdhSb4yM-cv9yInEH5N8gPO4SQ.jpg)

![SIHOO M57 Ergonomic Office Chair 330 lb — 4](https://www.ofertitastop.com/i/bsiNJuJaZ-yP9xUtmjNPKsNHD1_TUaa8U-MqYoICjooFd8POyoThxTKNwj8oZGvb7N7_LLhaDIwUowOujt791ZxmGefvJk1-t19QJIQt05RwogWW26T2UjZd7Q.jpg)

![SIHOO M57 Ergonomic Office Chair 330 lb — 5](https://www.ofertitastop.com/i/wW7p4j4ZwF4OnaJ_rj15S8v3yeI0petmzwUxqrmgLffLp1bGYKsR32TdMo1klP4f2AFXElLx1hwJFCsSpEcrh6x6P_OsRryoEZXnMxfDvFpH_Q6stb_ClqVt2w.jpg)