Duorest Extreme Ergonomic Office Chair

Adjustable Headrest Optional Headrest accessory adjusts 85mm (3.3”) vertically. · Pivoting range:70° Adjustable Backrest Backrests allow fluid adjustment in two directions using Smart-Dial: · Height adjustment range: 65mm (2.6″) · Width adjustment range: 65mm (2.6″) DUOREST® System Dual-Backrest System makes dynamic sitting by allowing freedom of movement in any position. Dual-Backrest System reduces fatigue and alleviates back pains associated with long sitting. Seat Slider Seat depth adjusts within a 55mm (2.2”) range to accommodate users of varying leg lengths. Casters Soft dual-wheel casters are 50mm O.D. for use on hard floors. Base 27″ (688mm) Five-arm base is available in plastic or polished aluminum. 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 backlock. · Back reclines 18° from upright position. Seat Seat Cover is removable for washing. Arms 3D arms allow fluid adjustment in three directions: · Height adjustment range: 71mm (2.7″) · Front-to-back adjustment range: 40mm (1.6″) · Pivoting arm caps: 17.5° inward and 17.5° outward