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Welax S4 – Ergonomic Office Chair with Foldable Backrest

Sale price$229.99 Regular price$259.99
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Version
Color:Cream
Lumbar Support

Key Features

  • Foldable Backrest: Folds forward for easy storage.
  • Multiple Colors: Five colors for any space.
  • W-Shaped Foam Seat: Breathable support for lasting comfort.

In Stock,
Est. Arrival: Oct 9 - Oct 15
Sale price$229.99 Regular price$259.99
Save $30.00
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Services & Benefits

  • 1-7 Business Day Free Delivery

  • 60-Day Returns

  • Up to 10-year Warranty

  • Personal support

Services & Benefits

60-day Refund Policy.

Try it at home. If it is not the right fit, we will make it right. See our Return & Refund Policy.

Free Shipping

Free shipping on qualifying orders. Delivery times may vary by destination. See our Shipping Policy.

Warranty

Hassle-free coverage for manufacturing defects. See our Warranty Policy.

Lifetime customer support

Our team is here to help whenever you need us.

Sale price$229.99 Regular price$259.99
Save $30.00

Welax S4 – Ergonomic Office Chair with Foldable Backrest

Ergonomic Design Built for You

Ergonomic Design Built for You

S4 offers full‑body support in a compact design. The adjustable headrest supports your neck, the curved backrest aligns your spine, and the lumbar cushion eases lower‑back pressure — perfect for long hours in smaller spaces.

Compact Foldable Design

Compact Foldable Design

The S4 features an intelligent foldable design for easy storage and minimal space usage. Perfect for home offices or small workspaces, it can be quickly adjusted and folded, offering flexible use and effortless organization.

Soft & Elegant Colors

Soft & Elegant Colors

Thoughtfully curated soft tones enhance your workspace with a gentle, calming aesthetic.

Premium Gas Cylinder

Premium Gas Cylinder

SGS Class‑4 gas lift for smooth, durable height adjustment.

Fully BIFMA certified

Fully BIFMA certified

Engineered for everyday use, each component is rigorously tested for strength, durability, and long-term stability.

Product Information

Product information

Product Dimensions

28.15″ W × 28.15″ D × 43.7″–49.4″ H

Recommended User Height

59"–73"

Weight Capacity

300 lbs

Product Weight

35.5 lbs

Warranty

2 Years

Package Dimensions

24.8″ W × 15.4″ D × 21.3″ H

Package Weight

43.0 lbs

Number of Packages

1


FAQ

My space is small. Can the S4 fit under my desk?

Yes. The S4 features a foldable backrest that folds forward for easy storage, helping save nearly 50% of space. It’s ideal for small offices, apartments, and multi-purpose rooms.

Is the S4 suitable for women and smaller users?

Yes. The S4 is designed for users 59"–73" tall and up to 300 lbs. Its adjustable seat height, lumbar support, and W-shaped seat provide a comfortable fit for different body types.

Is the S4 comfortable for long hours of sitting?

Yes. The S4 combines an ergonomic S-shaped backrest with dedicated lumbar support to follow your natural curves and provide comfortable support throughout the day.

Can I adjust the armrests?

Yes. The 4D armrests adjust in multiple directions, making it easy to find comfortable support while typing, using a mouse, or relaxing.

Is the S4 durable?

Yes. The S4 and its key components have passed BIFMA testing for strength and durability, helping ensure stable performance over time.

What if the S4 isn’t right for me?

No worries. You have 60 days to try the S4 at home. If it’s not the right fit, you can request a return or exchange according to our policy.