Adaptive lumbar support system allows the chair to adjust according to your body's angle and weight Fully adjustable lumbar curve has height and lumbar protrusion knobs to provide comprehensive and customized support Reactive seat tilt and up to 156-degree recline lets you enjoy various postures without making manual adjustments 4D armrests provide variety of positions for your elbows to rest comfortably Contoured memory foam head cushion provides great support to your head and neck High density foam cushions adapt to your body shape to minimize stress and strain EPU-grade synthetic leather ensures lasting use with comfortable look and feel Black finish perfectly complements most interiors Requires assembly Dimensions: Width: 68cm (26.77"); height: 140cm (55.12"); depth: 68cm (26.77")