{"product_id":"mark-adler-expert-4-9-black-ergonomic-chair","title":"Mark Adler Expert 4.9 Black ergonomic chair","description":"\u003cdiv class=\"product-description\"\u003e\n\u003cdiv class=\"hero-section\"\u003e\n\u003ch1\u003eMark Adler Expert 4.9 Black Ergonomic Office Chair\u003c\/h1\u003e\n\u003ch2\u003eComfort, adjustability, and modern executive design\u003c\/h2\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/1407\/5717\/files\/mark-adler-expert-4-9-black-ergonomic-chair-01.jpg?v=1779205052\" alt=\"Mark Adler Expert 4.9 Black Ergonomic Chair Front View\" loading=\"lazy\"\u003e\n\u003cp\u003eThe Mark Adler Expert 4.9 is a premium ergonomic chair meticulously designed to offer all-day posture support. Engineered with fully adjustable components, it conforms to your body shape to actively maintain spinal health and keep you focused throughout your workday.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-section\"\u003e\n\u003ch3\u003eAdjustable Backrest Height\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/1407\/5717\/files\/mark-adler-expert-4-9-black-ergonomic-chair-desc-02.jpg?v=1779207503\" alt=\"Vertical adjustment levels of the backrest\" loading=\"lazy\"\u003e\n\u003cp\u003eThe Expert 4.9 features an innovative, height-adjustable backrest that slides vertically to adapt to your unique height. By choosing the perfect alignment, you ensure that the integrated therapeutic zones of the backrest match your spine, maximizing comfort and reducing fatigue.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-section\"\u003e\n\u003ch3\u003eFlexible Lumbar Support System\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/1407\/5717\/files\/mark-adler-expert-4-9-black-ergonomic-chair-desc-03.jpg?v=1779207501\" alt=\"Flexible curved lumbar support mechanism close-up\" loading=\"lazy\"\u003e\n\u003cp\u003eEquipped with a dynamic, flexible lumbar support cushion, the chair self-adjusts to your lower back curvature. It responds instantly to small changes in your posture, providing persistent support and significantly relieving stress on the lumbar region during long sitting hours.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-section\"\u003e\n\u003ch3\u003eBreathable AiRMESH HD Fabric\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/1407\/5717\/files\/mark-adler-expert-4-9-black-ergonomic-chair-desc-04.jpg?v=1779207506\" alt=\"Front view of the breathable mesh backrest and headrest\" loading=\"lazy\"\u003e\n\u003cp\u003eThe backrest and headrest are upholstered in heavy-duty AiRMESH HD fabric. This thick-weave ventilated material facilitates consistent airflow, dissipating body heat efficiently and maintaining a cool, comfortable seating climate even in warm offices.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-section\"\u003e\n\u003ch3\u003eAdaptable 3D Armrests\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/1407\/5717\/files\/mark-adler-expert-4-9-black-ergonomic-chair-desc-05.jpg?v=1779207504\" alt=\"Detail of the adjustable 3D armrest pad and post\" loading=\"lazy\"\u003e\n\u003cp\u003eThe soft-padded 3D armrests offer multi-directional adjustment to cradle your forearms comfortably. Height and horizontal positioning can be easily adjusted to align with your desk, eliminating shoulder and neck fatigue.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-section\"\u003e\n\u003ch3\u003ePractical Detachable Clothes Hanger\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/1407\/5717\/files\/mark-adler-expert-4-9-black-ergonomic-chair-desc-06.jpg?v=1779207507\" alt=\"Detachable plastic hanger mounted behind the headrest\" loading=\"lazy\"\u003e\n\u003cp\u003eKeep your blazers, jackets, or coats close at hand and wrinkle-free with the integrated clothing hanger. Located conveniently on the rear spine of the backrest, this detachable accessory helps keep your working space orderly and clean.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-section\"\u003e\n\u003ch3\u003eFully Customizable Headrest\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/1407\/5717\/files\/mark-adler-expert-4-9-black-ergonomic-chair-desc-07.jpg?v=1779207504\" alt=\"Headrest adjustment paths showing angle and height positions\" loading=\"lazy\"\u003e\n\u003cp\u003eThe wide headrest can be adjusted in height (up to 18 cm) and angle to offer exceptional neck and cervical spine support. This adjustability ensures optimal posture and prevents strain during focused computer work or long reading sessions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-section\"\u003e\n\u003ch3\u003eErgonomic Tilt Mechanism with Controls\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/1407\/5717\/files\/mark-adler-expert-4-9-black-ergonomic-chair-desc-08.jpg?v=1779207505\" alt=\"Under-seat control lever and backrest frame detail\" loading=\"lazy\"\u003e\n\u003cp\u003eThe Tilt PLUS mechanism allows you to control backrest tilt and tension with precision. Transition smoothly from upright focus to relaxed reclining using the easy-to-reach controls, allowing you to lock your preferred posture with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-section\"\u003e\n\u003ch3\u003eReinforced Aluminum Base and Floor-Safe Casters\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/1407\/5717\/files\/mark-adler-expert-4-9-black-ergonomic-chair-desc-09.jpg?v=1779207506\" alt=\"Polished aluminum 5-star base and quiet polyurethane casters\" loading=\"lazy\"\u003e\n\u003cp\u003eBuilt on a robust, polished 5-star aluminum base, the Expert 4.9 ensures rock-solid stability. It features dual polyurethane and rubber casters that glide silently across wood, laminate, or carpeted floors without leaving marks or scratches.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-section\"\u003e\n\u003ch3\u003eSleek and Supportive Silhouette\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/1407\/5717\/files\/mark-adler-expert-4-9-black-ergonomic-chair-desc-10.jpg?v=1779207508\" alt=\"Side profile view of the complete Mark Adler Expert 4.9 chair\" loading=\"lazy\"\u003e\n\u003cp\u003eViewed from the side, the fluid S-shaped curve of the Expert 4.9 is engineered to match the natural curvature of the human back. From the headrest to the thick-foamed seat cushion, every element works together to encourage correct, healthy alignment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-section\"\u003e\n\u003ch3\u003eComprehensive Front Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/1407\/5717\/files\/mark-adler-expert-4-9-black-ergonomic-chair-desc-11.jpg?v=1779207509\" alt=\"Front dimensional schema of the Mark Adler Expert 4.9\" loading=\"lazy\"\u003e\n\u003cp\u003eThe front dimensions highlight a design suited for a wide range of users. It offers a 50 cm seat width, 52 cm backrest top width, and a total adjustable height between 128 cm and 145 cm. The armrests sit comfortably at 27 to 35 cm from the seat.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-section\"\u003e\n\u003ch3\u003eDetailed Side Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/1407\/5717\/files\/mark-adler-expert-4-9-black-ergonomic-chair-desc-12.jpg?v=1779207509\" alt=\"Side-view dimensional schema of the Mark Adler Expert 4.9\" loading=\"lazy\"\u003e\n\u003cp\u003eReview complete depth and vertical ranges for custom desk integration. The chair features a 49 cm seat depth, a seat height from floor ranging from 44 to 52 cm, a 90 to 100 cm backrest height, and a 25 cm armrest pad length to guarantee a comfortable fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"additional-info\"\u003e\n\u003ch4\u003eWhat Do You Get with Your Purchase?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eErgonomic office chair Mark Adler Expert 4.9 Black\u003c\/li\u003e\n\u003cli\u003eDetachable clothes hanger\u003c\/li\u003e\n\u003cli\u003eAccessory pack for assembly\u003c\/li\u003e\n\u003cli\u003eAssembly instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"specs-section\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003eTechnical Specifications\u003c\/summary\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eManufacturer:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003eMark Adler\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eModel:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003eExpert 4.9 Black\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eProduct Type:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003eErgonomic Office Chair\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eMaterials:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003eAiRMESH HD ventilated material\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eConstruction:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003eSteel, nylon fx\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eMechanism:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003eTilt PLUS (SeatRest tilt function)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eGas Lift:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003eActuator Gas\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eBase:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003eReinforced aluminum, 5-star\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eCasters:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003eDual polyurethane and rubber\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eMaximum Load Capacity:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003e150 kg\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eWeight:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003e18.7 kg\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eCertifications:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003eSGS\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eTotal Height:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003e128 - 145 cm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eBackrest Width (Top):\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003e52 cm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eBackrest Height (from seat):\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003e90 - 100 cm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eHeadrest Width:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003e31.5 cm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eHeadrest Height Adjustment:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003e18 cm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eSeat Width:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003e50 cm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eSeat Depth:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003e49 cm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eSeat Height from Floor:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003e44 - 52 cm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eArmrests:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003e3D adjustable\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eArmrest Height from Floor:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003e67 - 75 cm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eArmrest Height from Seat:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003e27 - 35 cm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eArmrest Pad Length:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003e25 cm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eArmrest Pad Width:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003e9 cm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eBase Width:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003e66 cm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eBase Depth:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003e46 cm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eAdditional Features:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003eTilt angle adjustment with locking mechanism, flexible lumbar support, detachable hanger\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Mark Adler","offers":[{"title":"Default Title","offer_id":58016519684421,"sku":"MA-EXPERT 4.9 BLACK","price":205.09,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/1407\/5717\/files\/mark-adler-expert-4-9-black-ergonomic-chair-01.jpg?v=1779205052","url":"https:\/\/www.ergospace.eu\/et\/products\/mark-adler-expert-4-9-black-ergonomic-chair","provider":"ErgoSpace","version":"1.0","type":"link"}