Sihoo Doro S100 Ergonomic Office Chair Computer Desk Chair with 3 Back Support Model & Dual Dynamic Lumbar Support - Black

The Sihoo Doro S100 Ergonomic Office Chair revolutionizes workspace comfort with its dual dynamic lumbar support system, featuring a 4-spring adaptive mechanism that provides 6D automatic adjustment to perfectly conform to your body's movements. Experience 4D coordinated armrests with ultra-soft padding that adjust 7cm vertically, 3cm horizontally, and pivot 72°, while synchronizing with the reclining backrest for optimal arm positioning. The advanced independent backrest offers 5-height adjustment with high-resilience mesh, accommodating users from 150-190cm while the dual-wing lumbar system delivers targeted support. The pressure-relieving seat cushion features 5cm depth adjustment and a waterfall-edge design to maximize thigh support and circulation. Built with premium materials and backed by BIFMA/SGS certifications, this chair combines sophisticated ergonomics with durable construction, supported by our 3-year warranty with free replacement parts for any quality issues.