4-level Pop-out LumbarIt offers 3°-24° extensive support for different postures and 76mm up-down. 30mm in-outadjustment for a natural spine fit.Stain-resistant Sustainable LeatherEasy to wipe. resists abrasion and color fading. and is formulated with strict health and safety standards at the level of baby products.Fully Adjustable 5D ArmrestsTakes arm and elbow comfort to whole new dimensions with upward folding. inward-outward rotation. and up-down. left-right. and front-back sliding.Magnetic Head PillowFirm. elastic memory foam with a cooling layer and 20cm up-down magnetic adjustment range to flexibly attach.135° Recline + 15° RockingRecline. lean back. and rock. Relax the way you like in maximum comfort.