L3 FlexBreath Ergonomic Chair with Auto-Tracking Lumbar Support
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Support That Tracks You.
The L3 FlexBreath is Rackora's smartest chair yet: a split-back ergonomic design with auto-tracking lumbar support that senses how you sit and moves with you — no levers, no knobs, no reminders to adjust. Your lower back gets continuous care, all day, without you thinking about it.
Lumbar That Never Loses You
A dynamic tension-sensing mechanism glides the lumbar section in real time as you shift, lean or recline, keeping contact with your lower back through every micro-movement. It's support that follows your body — not a fixed bump you have to sit against.
Upper Back That Breathes With You
The flex upper backrest bends naturally with your torso, so you stay supported whether you're reaching for a document, leaning into a call, or settling in for a long session.
Armrests That Get Out of Your Way
Flip the adaptive armrests up when you need space — guitar practice, drawing, gaming, caring for a pet — and flip them back down for steady arm support the moment you return to the desk.
FlexBreath® Mesh, German-Engineered
A precision high-elasticity weave built to strict German standards: it evenly distributes hip pressure, keeps you cool and sweat-free through long sits, and is tested over 120,000 cycles for lasting bounce-back.
Four Modes for a Full Day
90° Work for focus, 110° Watch for content, 120° Game for play, 140° Relax for real rest. One chair, every mode your day demands — each angle locked and stable.
Built for Real Bodies, Built to Last
Suggested for heights 5'3"–6'2" with a 350 lb weight capacity, a 20.5" seat and adjustable depth; SGS-tested components, a 5-year warranty, and an assembly guide that doubles as an everyday desk mat. Thoughtful to the last detail.
| Item | Spec |
|---|---|
| Suggested height | 5'3"–6'2" (160–188 cm) |
| Weight capacity | 350 lb (approx. 159 kg) |
| Seat width | 20.5" (approx. 52 cm) |
| Seat height | 18.5"–22" (approx. 47–56 cm) |
| Seat depth | Sliding adjustable |
| Recline | 90°/110°/120°/140°, 4-level lockable |
| Lumbar | Auto-Tracking (dynamic tension sensing + sliding) |
| Backrest | Split-back: flexible upper + dynamic lumbar |
| Armrests | Flip-up adaptive |
| Mesh | FlexBreath® German-engineered high-elasticity mesh (120,000+ cycle bounce-back tested) |
| Component certification | SGS tested |
| Warranty | 5 years |