Full Body Ergonomic Support
Experience comfort from head to waist. The adjustable headrest supports your neck, the curved backrest aligns your spine, and the dynamic lumbar cushion relieves lower back pressure
S9 Pro Ergonomic Office Chair with One-Touch Adjustment
New Arrival
In Stock, Ships via FedEx from our US Network
Est. Arrival:
Apr 8 - Apr 10
S9 Pro Ergonomic Office Chair with One-Touch Adjustment
Sale price$399.99
Regular price$629.99
| Product Dimensions | 28" W × 28" D × 46"-52.8" H |
| Seat Height | 19''-22'' |
| Seat Depth | 16.7''-18.9'' |
| Headrest Adjustment | 3D headrest |
| Backrest Adjustment | 5-level |
| Weight | 48.06 lbs |
| Weight Capacity | 300 lbs |
| Base | Aluminum alloy |
| Base Diameter | 25.6" |
| Caster | 65 PU nylon silent casters |
| Hydraulic Gas Piston | Grade 4 explosion-proof gas lift |
| Materials | German imported suede |
Fully BIFMA certified
Backrest tested to 120,000 fatigue cycles
Seat cushion durability tested to 100,000 cycles
Base tested to withstand ~300 lbs impact and ~2,500 lbs static load
Armrests tested to 60,000 fatigue cycles
Gas lift tested to 100,000 lift cycles
Castors tested to 100,000 rolling cycles
Soft & Elegant Colors
Low-noise PU wheels glide silently, perfect for home or office use.
Premium Gas Cylinder
SGS Class‑4 gas lift for smooth, durable height adjustment.
Premium German Mesh
Made with imported German mesh for superior breathability, durability, and lasting comfort.
Built on Certified Standards
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How long does shipping take?
Orders are typically processed within 1–2 business days. Delivery usually takes 3–7 business days, depending on your location. (Shipping times may vary by region.)
Do Welax products come with a warranty?
Yes. Welax products are made with durable materials and high-quality components. Warranty periods vary by product. Please refer to our Warranty page for specific coverage and details.
Can I return a product if I’m not satisfied?
Yes. We offer a 60-day return policy. If there is a quality issue, we will provide a replacement or a refund.
How can I track my order?
Once your order has shipped, you will receive a tracking number via email. You can use this number on the carrier’s website or via 17TRACK to check the latest delivery status.
How can I contact Welax customer support?
You can reach our support team via email, live chat, or phone. Please visit our Contact page for more details.
Are Welax products safe and durable?
Yes. All products are made with high-quality materials and undergo strict quality control to ensure safety and long-lasting performance.
We typically respond within 24 hours during business days.
