{"product_id":"mark-adler-expert-5-7-black-ergonomic-chair","title":"Mark Adler Expert 5.7 Black ergonomic chair","description":"\u003cdiv class=\"product-description\"\u003e\n\u003c!-- 1. HERO SECTION --\u003e\n\u003cdiv class=\"hero-section\"\u003e\n\u003ch1\u003eErgonomic Office Chair Mark Adler Expert 5.7 Black\u003c\/h1\u003e\n\u003ch2\u003eErgonomics and Versatility for Your Workspace\u003c\/h2\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/1407\/5717\/files\/mark-adler-expert-5-7-black-ergonomic-chair-01.jpg?v=1779205678\" alt=\"Mark Adler Expert 5.7 Black ergonomic office chair\" loading=\"lazy\"\u003e\n\u003cp\u003eA modern office chair designed for long-term work and comfort. The combination of multi-point adjustments, durable materials, and well-thought-out solutions makes the Expert 5.7 perfect for both the office and your home workstation.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c!-- 2. FEATURE SECTIONS --\u003e\n\u003c!-- Feature Section 1: Adjustable Backrest --\u003e\n\u003cdiv class=\"feature-section\"\u003e\n\u003ch3\u003eAdjustable Backrest and Slide Technology\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/1407\/5717\/files\/mark-adler-expert-5-7-black-ergonomic-chair-desc-02.jpg?v=1779208117\" alt=\"Mark Adler Expert 5.7 Black ergonomic chair backrest and seat adjustment\" loading=\"lazy\"\u003e\n\u003cp\u003eThe Expert 5.7 combines the ability to adjust the backrest with \u003cstrong\u003elocking in three positions\u003c\/strong\u003e and a \u003cstrong\u003esliding seat\u003c\/strong\u003e. This makes it easy to adjust the chair for work or rest, as well as for the user's height, which reduces pressure on the thighs and knees and promotes correct posture.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c!-- Feature Section 2: Lumbar Support --\u003e\n\u003cdiv class=\"feature-section\"\u003e\n\u003ch3\u003eCustomizable 2D Lumbar Support\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/1407\/5717\/files\/mark-adler-expert-5-7-black-ergonomic-chair-desc-03.jpg?v=1779208123\" alt=\"Mark Adler Expert 5.7 Black ergonomic chair lumbar support\" loading=\"lazy\"\u003e\n\u003cp\u003eThe adjustable lumbar support allows you to customize the \u003cstrong\u003eheight and depth\u003c\/strong\u003e of your lower back support. This targeted adjustment reduces strain and helps maintain the natural curvature of the spine during long hours of work.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c!-- Feature Section 3: Headrest --\u003e\n\u003cdiv class=\"feature-section\"\u003e\n\u003ch3\u003eAdjustable 2D Headrest\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/1407\/5717\/files\/mark-adler-expert-5-7-black-ergonomic-chair-desc-04.jpg?v=1779208119\" alt=\"Mark Adler Expert 5.7 Black ergonomic chair headrest\" loading=\"lazy\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eheight- and angle-adjustable headrest\u003c\/strong\u003e provides adequate support for your neck and cervical spine, significantly reducing muscle tension and improving your overall comfort while working at a monitor.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c!-- Feature Section 4: Armrests --\u003e\n\u003cdiv class=\"feature-section\"\u003e\n\u003ch3\u003eDynamic 3D Armrests\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/1407\/5717\/files\/mark-adler-expert-5-7-black-ergonomic-chair-desc-05.jpg?v=1779208120\" alt=\"Mark Adler Expert 5.7 Black ergonomic chair 3D armrests\" loading=\"lazy\"\u003e\n\u003cp\u003eThree-dimensional armrests allow you to adjust the \u003cstrong\u003eheight, tilt angle, and front-to-back position\u003c\/strong\u003e for a precise fit at your desk, helping to reduce strain on your shoulders and wrists.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c!-- Feature Section 5: Footrest --\u003e\n\u003cdiv class=\"feature-section\"\u003e\n\u003ch3\u003ePull-Out Footrest for Quick Relaxation\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/1407\/5717\/files\/mark-adler-expert-5-7-black-ergonomic-chair-desc-06.jpg?v=1779208122\" alt=\"Mark Adler Expert 5.7 Black ergonomic chair extendable footrest\" loading=\"lazy\"\u003e\n\u003cp\u003eThe practical \u003cstrong\u003eextendable footrest\u003c\/strong\u003e slides out when needed, allowing you to instantly change to a more relaxed position without having to stand up. This feature is highly beneficial for blood circulation and leg comfort.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c!-- Feature Section 6: Fabric --\u003e\n\u003cdiv class=\"feature-section\"\u003e\n\u003ch3\u003eBreathable and Durable Mesh HD Fabric\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/1407\/5717\/files\/mark-adler-expert-5-7-black-ergonomic-chair-desc-07.jpg?v=1779208126\" alt=\"Mark Adler Expert 5.7 Black ergonomic chair Mesh HD fabric\" loading=\"lazy\"\u003e\n\u003cp\u003eThe thick weave of the \u003cstrong\u003eMesh HD fabric\u003c\/strong\u003e provides excellent abrasion resistance and effective air circulation to prevent overheating, ensuring you maintain maximum comfort during prolonged sitting.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c!-- Feature Section 7: Actuator and Casters --\u003e\n\u003cdiv class=\"feature-section\"\u003e\n\u003ch3\u003eReliable Actuator and Floor-Friendly Casters\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/1407\/5717\/files\/mark-adler-expert-5-7-black-ergonomic-chair-desc-08.jpg?v=1779208124\" alt=\"Mark Adler Expert 5.7 Black ergonomic chair base and casters\" loading=\"lazy\"\u003e\n\u003cp\u003eA durable gas actuator that meets \u003cstrong\u003eBIFMA standards (Class 3)\u003c\/strong\u003e ensures smooth height adjustment and a long mechanism life. The 5 cm polyurethane-rubber blend casters move quietly and \u003cstrong\u003eprotect your floor surface\u003c\/strong\u003e from scratches.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c!-- Feature Section 8: Dimensions --\u003e\n\u003cdiv class=\"feature-section\"\u003e\n\u003ch3\u003eDimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/1407\/5717\/files\/mark-adler-expert-5-7-black-ergonomic-chair-desc-09.jpg?v=1779208124\" alt=\"Mark Adler Expert 5.7 Black ergonomic chair front dimensions\" loading=\"lazy\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/1407\/5717\/files\/mark-adler-expert-5-7-black-ergonomic-chair-desc-10.jpg?v=1779208124\" alt=\"Mark Adler Expert 5.7 Black ergonomic chair side dimensions\" loading=\"lazy\"\u003e\n\u003cp\u003eReview the detailed measurements to ensure the Expert 5.7 is the perfect fit for your workspace and body type. The comprehensive dimensions cover everything from the adjustable seat height to the extendable footrest depth.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c!-- 3. ADDITIONAL INFORMATION --\u003e\n\u003cdiv class=\"additional-info\"\u003e\n\u003ch4\u003eWhat Do You Get with Your Purchase?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eMark Adler Expert 5.7 Black Ergonomic Office Chair\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\n\u003c!-- 4. TECHNICAL SPECIFICATIONS --\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\"\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\"\u003eBrand:\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 5.7 Black\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eMaterial:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003eMesh HD fabric\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eGas Lift \/ Actuator:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003eBIFMA Class 3, 100 mm\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\"\u003ePolyurethane-rubber, 5 cm diameter\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eBackrest Adjustment:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003eTilt with locking in 3 positions\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eSeat Adjustment:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003eSlide technology (front to back)\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 (height, angle, and front-to-back position)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eHeadrest:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003e2D (height and angle)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eLumbar Support:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003e2D (height and depth)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eFootrest:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003eExtendable\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\"\u003e122 - 132 cm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eTotal Width:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003e64 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\"\u003e64 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\"\u003e49 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\"\u003e50 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\"\u003e51 - 61 cm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eTotal Depth (with footrest extended):\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003e93 cm\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 - 77 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 Length:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003e24.5 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\"\u003e33 cm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eHeadrest Height Adjustability Range:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003e19 cm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eShoulder Width:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003e51 cm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eLumbar Depth Adjustability Range:\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\"\u003eWeight:\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003e19.1 kg\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003ePacked Dimensions (H x W x D):\u003c\/span\u003e \u003cspan class=\"spec-value\"\u003e53.0 x 65.0 x 33.0 cm\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":58016547078469,"sku":"MA-EXPERT 5.7 BLACK","price":296.84,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/1407\/5717\/files\/mark-adler-expert-5-7-black-ergonomic-chair-01.jpg?v=1779205678","url":"https:\/\/www.ergospace.eu\/it-eu\/products\/mark-adler-expert-5-7-black-ergonomic-chair","provider":"ErgoSpace","version":"1.0","type":"link"}