SIHOO M102C Ergonomic Office Chair, Big and Tall Office Chair with Flip-Up Armrests, Adjustable Headrest

2D adjustable headrest, fits your neck to the best comfort,

The premium mesh lumbar support of this SIHOO office chair optimizes ventilation and heat dissipation while offering precise relief for your waist's pressure. The 6cm (2.36") vertical adjustment range ensures customizable comfort, even during extended work hours.

This big and tall office chair's adjustable flip-up armrests can move back and forth and pivot left and right, offering support to your arms and elbows as you work. Additionally, you can slide this ergonomic chair for home office under your desk to optimize space usage.

Our ergonomic office chairs comfortably supports up to 300 lbs (136kg) with a broader and more spacious design, ideal for diverse body types, a perfect office chair for tall people. The premium sponge reduces hip and tailbone pressure for prolonged sitting comfort.

Fabric

• The fabric of ergonomic adjustable office chair is made of a special mesh with a full dragon pattern. Sihoo v1 chair has bright colors and does not fade, strong tensile 
• resistance, abrasion resistance, non-toxic, rot resistance, chemical resistance, oil resistance, high-temperature resistance and UV resistance, and strong air permeability. Long service life and other characteristics;

Sponge

• The headrest of executive office chair lumbar support uses 0.5CM thick virgin cotton,  density 30, hardness70, white;

• The waist pillow of sihoo v1 chair uses 0.2cm thick styling cotton, density 65, hardness 50, white;

• The seat cushion of executive office chair with lumbar support uses 3-4CM thick shaped cotton, density 65, hardness 50, dark gray;

Headrest

• 5 levels of sihoo v1 chair can be adjusted up and down, rotating headrest, nylon shell, high-grade oil wax PU leather;

Backrest

• Ergonomic executive office chair with lumbar support is made of nylon material. 5 gears can be adjusted up and down, passed the American BIFMAFN test (reverse pull back test);

Armrest

• Executive office chair with adjustable lumbar support is made of electroplated steel, 4D PU handrail surface, 8-position handrail can be raised and lowered, and the handrail surface can be pushed forwards and backwards and left and right;

Mechanism

• Executive office chair with adjustable arms has cold-rolled mechanical tension spring, mechanical steel multi-function mechanism, adjustable lifting, adjustable back tension, 4 gears can lock back adjustment;

Seat Cushion

• The cushion of sihoo v1 chair is made of nylon material, adjustable front and rear of the seat cushion;

Gas Spring

• Executive office chair with adjustable lumbar support is made of all steel, passed SGS test, American BIFMA test, advanced three-level gas spring, 85MM lifting stroke sinking 40MM;

Chair Leg

• Sihoo v1 chair passed 1136 kg static pressure test, enough to bear the weight of a car, 350 high-strength aluminum alloy foot;

Caster

• Sihoo v1 chair has silent non-slip large-side PU chair wheels, smooth and dull the edge of the chair legs, never knock the heel, handy, silent, scratch-resistant floor;