Amstyle Bari Executive Office Chair with 5-Point Synchro-Mechanism Real Leather Black http://www.amazon.co.uk/gp/product/B00E3W47BY?tag=istiqomah-21 Ergonomic and extremely comfortable moulded foam seat pad lowered front for leg relief Elegant and luxurious upholstery with soft real leather high-quality cowhide 5-point synchro-mechanism can be individually adjusted based on body weight Anti-shock feature prevents the back rest from pushing sharply against your back when pulling the adjustment catch Comfortable executive chair with extra-high backrest