{"product_id":"black-friday-sitool-active-sit-stand-stool-for-dynamic-workspaces-core-engagement-copy","title":"Pro40 Office Chair | Premium Ergonomic Office Chair with Negative Forward Tilt, Headrest \u0026 2D Armrests","description":"\u003cdiv class=\"product-description\" style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; color: #1a202c; max-width: 100%;\"\u003e\n\u003cdiv style=\"margin-bottom: 30px;\"\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.7; margin-bottom: 15px; color: #4a5568;\"\u003e\u003cstrong\u003ePro40 Office Chair\u003c\/strong\u003e is a premium ergonomic office chair designed for professional use. With its unique negative forward tilt, headrest, and 2D armrests, you get optimal comfort and support at every angle during long workdays.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 30px;\"\u003e\n\u003ch3\u003eAbout the Pro40 Office Chair\u003c\/h3\u003e\n\u003cp style=\"font-size: 15px; line-height: 1.7; margin-bottom: 12px; color: #4a5568;\"\u003eThe Pro40 Office Chair is a professional chair designed for demanding use and long workdays. Its outstanding multi-mechanism allows for versatile personal adjustments, ensuring an optimal sitting position for every user.\u003c\/p\u003e\n\u003cp style=\"font-size: 15px; line-height: 1.7; margin-bottom: 12px; color: #4a5568;\"\u003eThe adjustable tilt mechanism features a \u003cstrong\u003enegative forward tilt angle\u003c\/strong\u003e, which enables active freedom of movement, engages the core, and improves blood circulation. The Pro40 comes with both an adjustable headrest and armrests as standard – perfect for both focused work and creative brainstorming.\u003c\/p\u003e\n\u003cp style=\"font-size: 15px; line-height: 1.7; margin-bottom: 12px; color: #4a5568;\"\u003eManufactured from durable Dove fabric (100% polyester, 50,000 Martindale) for long-term durability and a professional look. With \u003cstrong\u003efast deliveries and free shipping\u003c\/strong\u003e, you'll quickly receive your professional ergonomic chair at home.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 30px;\"\u003e\n\u003ch3\u003eBenefits\u003c\/h3\u003e\n\u003cul style=\"list-style: none; padding: 0; margin: 0;\"\u003e\n\u003cli style=\"margin-bottom: 10px; padding-left: 0; font-size: 15px; line-height: 1.6; color: #2d3748;\"\u003e\n\u003cstrong\u003eNegative Forward Tilt:\u003c\/strong\u003e Adjustable seat tilt activates the core and improves blood circulation for more dynamic sitting.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px; padding-left: 0; font-size: 15px; line-height: 1.6; color: #2d3748;\"\u003e\n\u003cstrong\u003eComplete Support:\u003c\/strong\u003e High backrest with adjustable headrest as standard for optimal neck and shoulder support.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px; padding-left: 0; font-size: 15px; line-height: 1.6; color: #2d3748;\"\u003e\n\u003cstrong\u003eVersatile Adjustability:\u003c\/strong\u003e LiftUp mechanism with adjustable seat depth and backrest height for personalised adaptation.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px; padding-left: 0; font-size: 15px; line-height: 1.6; color: #2d3748;\"\u003e\n\u003cstrong\u003e2D Armrests:\u003c\/strong\u003e Armrests adjustable in height (6 cm) and width (4.5 cm) for an ergonomic arm position.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px; padding-left: 0; font-size: 15px; line-height: 1.6; color: #2d3748;\"\u003e\n\u003cstrong\u003eDurable Material:\u003c\/strong\u003e 100% Polyester (Dove fabric) with 50,000 Martindale for long-term durability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 30px;\"\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; line-height: 1.5;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 12px 8px; background-color: #f7fafc; font-weight: 600; width: 40%;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 8px;\"\u003ePro40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 12px 8px; background-color: #f7fafc; font-weight: 600; width: 40%;\"\u003eSeat Height\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 8px;\"\u003e48–61 cm (adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 12px 8px; background-color: #f7fafc; font-weight: 600; width: 40%;\"\u003eSeat Depth\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 8px;\"\u003e47–51 cm (adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 12px 8px; background-color: #f7fafc; font-weight: 600; width: 40%;\"\u003eSeat Width\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 8px;\"\u003e48 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 12px 8px; background-color: #f7fafc; font-weight: 600; width: 40%;\"\u003eBackrest Height\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 8px;\"\u003e53 cm, height adjustable by 7 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 12px 8px; background-color: #f7fafc; font-weight: 600; width: 40%;\"\u003eBackrest Width\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 8px;\"\u003e44 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 12px 8px; background-color: #f7fafc; font-weight: 600; width: 40%;\"\u003eBase Diameter\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 8px;\"\u003e72 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 12px 8px; background-color: #f7fafc; font-weight: 600; width: 40%;\"\u003eArmrests (height\/width)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 8px;\"\u003e6 cm \/ 4.5 cm (adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 12px 8px; background-color: #f7fafc; font-weight: 600; width: 40%;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 8px;\"\u003e100% Polyester (Dove fabric), Martindale 50 000, Fire rating EN1021-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 12px 8px; background-color: #f7fafc; font-weight: 600; width: 40%;\"\u003eColour\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 8px;\"\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 12px 8px; background-color: #f7fafc; font-weight: 600; width: 40%;\"\u003eMechanisms\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 8px;\"\u003eNegative forward tilt, LiftUp, 2D armrests, adjustable headrest\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 8px; background-color: #f7fafc; font-weight: 600; width: 40%;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 8px;\"\u003e5 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 30px;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding: 20px; background-color: #f7fafc; text-align: center; border-left: 4px solid #4299e1; margin-top: 30px;\"\u003e\n\u003cp style=\"margin: 0; font-size: 16px; font-style: italic; color: #2d3748; font-weight: 500;\"\u003eOptimise your workday – order the Pro40 Office Chair today!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SELKAstore","offers":[{"title":"Default Title","offer_id":51907768418646,"sku":"SELKA-PRO40-OFFICECHAIR","price":439.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/1757\/3822\/files\/pro40musta_1.jpg?v=1763645595","url":"https:\/\/selkastore.fi\/en\/products\/black-friday-sitool-active-sit-stand-stool-for-dynamic-workspaces-core-engagement-copy","provider":"SELKAstore","version":"1.0","type":"link"}