ALPHA Ergonomic Office Chair, Task Chair , Home Furniture

ALPHA ergonomic office chair, task chair , home furniture DUOREST ergonomic chair is equipped with worldwide patented  technology invented by German Physics Professor, Dr. Matthias Brünig who has revolutionized the way we sit since 1988. Especially GOLD reduces fatigue and alleviates back pains associated with long sitting. Specification of ALPHA ■ Adjustable Headrest Optional Headrest accessory adjusts 49mm (1.9”) vertically. Pivoting range 63º ■ Adjustable Backrest Backrests allow fluid adjustment in two directions : Height adjustment range 43mm (1.7”) Width adjustment range 33mm (1.3”) ■ DUOREST® System DUOREST® System makes dynamic sitting by allowing freedom of movement in any position. DUOREST® System reduces fatigue and alleviates back pains associated with long sitting. ■ Arms 3D arms allow fluid adjustment in three directions : Height adjustment range 72mm (2.8”) Front-to-back adjustment range 40mm (1.6”) Pivoting arm caps 17° inward and 17° outward ■ Mesh Seat Optional Mesh Seat provides dynamic support and allows airflow, providing a comfortable sit in any environment. ■ Seat Slider Seat depth adjusts within a 50mm (2.0”) range to accommodate users of varying leg lengths. ■ Weight-activated Synchronized Mechanism  Auto-Balance tension adjustment utilizes the weight of the user to balance resistance of the back.  3:1 back to seat synchronous movement with 3 position back lock. • Back reclines 18º from upright position. ■ Base 27” (688mm) Five-arm base is available in plastic or polished aluminum. ■ Casters 50mm O.D. casters for use on hard floors.  Only available in Black.