TECH SPECS RECOMMENDED WEIGHT < 136 kg (< 299 lbs) RECOMMENDED HEIGHT 166.5 cm - 204 cm / 5'5" - 6'8" CHAIR COVER COLOR Black CHAIR COVER MATERIAL EPU Synthetic Leather BASE Aluminium base FRAME Steel frame ARMRESTS 4D CASTERS 60 mm PU coated casters GAS LIFT CLASS 4 FOAM TYPE High density PU moulded foam ADJUSTABLE BACK ANGLE 152 Degrees ADJUSTABLE LUMBAR CUSHION None ADJUSTABLE HEADREST Premium Memory Foam Head Cushion - Black WARRANTY LENGTH 3 years warranty for mechanisms and moving parts. (not including wear and tear)