# Office chair Topstar Sitness 55 SD69XT20 black — ergonomic, adjustable height

**URL:** https://aio.lv/en/product--topstar-sd69xt20--4440637
**Data updated:** 2026-02-12 14:09 (EET)
**Category:** Office Chairs & Armchairs
**Manufacturer:** Topstar
**Manufacturer code:** SD69XT20
**EAN:** 4014296965727
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 370.99 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 306.60 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--topstar-sd69xt20--4440637

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Courier delivery to door | 28.07.2026 | 17.95 EUR |

## Summary description

Topstar Sitness 55 SD69XT20 is a black ergonomic office chair designed for everyday desk use. It features an adjustable height mechanism and a Sitness system that supports active sitting to engage core muscles. Suitable for home or office workstations, it offers improved posture support and dynamic comfort during extended sitting periods.

## Long description

Topstar Sitness 55 SD69XT20 in black is an ergonomic office chair designed for everyday desk work. It integrates an adjustable height mechanism with a Sitness system that allows slight rocking and dynamic movement of the seat to support active sitting. The chair is intended to promote improved posture and engage core muscles during extended periods of sitting, making it suitable for home offices and commercial workstations.
Advantages
The Sitness system provides continuous micro-mobility that encourages small, natural movements while seated, helping to reduce static strain on the spine. Height adjustment enables correct seating position relative to desks of different heights. The chair’s ergonomic contours support the lumbar region and contribute to stable, comfortable seating during long work sessions. The black finish is neutral and integrates easily into a variety of interior styles.
Suitable for
Home office and remote workstations
Corporate office desks and shared workspaces
Study desks and student use
Tasks requiring prolonged seated focus, such as programming, writing, or administrative work
Key specifications
Ergonomic design with dynamic Sitness system for active sitting
Adjustable seat height to match desk ergonomics
Contoured seat and backrest for lumbar support
Durable construction suitable for daily use
Black upholstery and components for a neutral appearance
How to use
Adjust the seat height so that your feet rest flat on the floor and your knees are approximately at a 90-degree angle. Sit with your back against the backrest and allow the Sitness mechanism to enable small, controlled movements; these micro-adjustments help maintain engagement of the core muscles. Position the chair close enough to your desk to avoid leaning forward and adjust the seat height again if necessary to ensure a comfortable arm position while typing or writing.
Usage recommendations
For best ergonomic results, combine regular posture checks and short standing or walking breaks every 30–60 minutes. Use the height adjustment to align the chair with your desk and monitor level; avoid prolonged static positions even when the Sitness system is active.

## FAQ

### How much does the Topstar Sitness 55 SD69XT20 office chair cost, and is it available for purchase?

The price is 370.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 23.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Topstar products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Topstar service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/4440637/15291389_large.webp