For anyone with a sedentary job, long hours seated often lead to lower back strain, neck pain, and overall fatigue. Traditional chairs simply aren’t built for people who spend eight or more hours a day working, creating, or gaming—and many have lived with discomfort for years, believing pain is an inevitable part of modern work life. The truth is: it doesn’t have to be.
Sihoo, an award-winning leader in ergonomic furniture design, is dedicated to improving health, comfort, and productivity through intelligent seating. Their philosophy is simple: Sit Well, Think Better. And this Black Friday and Cyber Monday—from November 1st through December 7th—Sihoo is offering their best deal of the year: the Sihoo Doro C300 ergonomic office chair at 50% off, dropping from $559.99 to just $269.99.
Here’s a little something special for you—use the exclusive discount code SIHOOPWD to enjoy an extra 6% off. That means you can bring home the Sihoo Doro C300 for just $253.79. What a great deal!
Sihoo
Get the comfort you deserve
Everyone deserves a chair that supports their well-being as much as their work. The Sihoo Doro C300 is engineered for people who value health, performance, and self-investment—especially professionals, students, and creators who sit for long stretches and need elevated lumbar and neck support.
With advanced ergonomic design and adaptive support technology, the Doro C300 helps users improve posture, stay comfortable longer, and boost productivity and focus. Those who switch from traditional chairs consistently report fewer aches, reduced pressure on the hips, and a dramatic improvement in daily comfort.
Advanced support that moves with you
The Doro C300 introduces next-level dynamic back support via its BM (Body Movement) Tracking System, allowing the lumbar support to automatically adjust to posture changes throughout the day—no manual tweaks required. The arch-shaped lumbar design aligns naturally to the spine, protecting the lower back during intense work, study sessions, and late-night creativity. Sihoo has termed this feature “Self-adaptive Lumbar Support”.
The flexible backrest reinforces continual support as your upper body shifts, while the waterfall-shaped seat cushion distributes pressure evenly to reduce hip discomfort. Combined with a smart weight-sensing reclining mechanism, the Doro C300 delivers effortless balance and motion for healthier, more comfortable sitting.
Premium ergonomic adjustability
- Ultra-wide 3D mechanical headrest for custom neck support
- 4D coordinated armrests that adjust in every direction and move with the seatback
- Tested up to 300 lbs
- Certified by BIFMA and TUV for safety and durability
Sihoo
Elevate your workspace—without the pain
The Sihoo Doro C300 transforms long seated hours into a supportive, health-focused experience—helping you work smarter, think clearer, and live better.
This Black Friday / Cyber Monday, upgrade your well-being for just $269.99. Use the exclusive discount code SIHOOPWD to enjoy an extra 6% off—get a Sihoo Doro C300 at the price of $253.79 immediately!
Because you work hard—and you deserve the comfort of a Sihoo ergonomic chair.
Sit Well, Think Better.
On sale now through December 7th.
