{"product_id":"marlow-vesper-11-8mm-climbing-line","title":"Vesper Climbing Line 11.8mm","description":"\u003ch1\u003eMarlow Vesper 11.8mm Tree Climbing Line\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eMarlow Vesper\u003c\/strong\u003e is a premium 11.8mm tree climbing line constructed entirely from high-quality polyester to deliver low elongation, excellent friction performance and reliable heat resistance. Manufactured by Marlow, it provides smooth handling and dependable performance for professional climbing, work positioning and tree care.\u003c\/p\u003e\n\u003cp\u003eVesper is fully CE certified and compliant with EN 1891 Type A, ensuring it meets stringent safety standards required for arborist work. The rope is available in two high-visibility colourways for improved identification both on the ground and in the canopy. It can be supplied with or without a low-profile splice termination, depending on user preference.\u003c\/p\u003e\n\u003cp\u003eThanks to its durable polyester construction, the Vesper offers excellent UV resistance, high strength and smooth operation across a variety of climbing techniques — from friction hitches to mechanical devices.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e11.8mm all-polyester arborist climbing rope\u003c\/li\u003e\n\u003cli\u003eLow elongation for efficient climbing and precise movement\u003c\/li\u003e\n\u003cli\u003eHigh friction and heat resistance for demanding tree work\u003c\/li\u003e\n\u003cli\u003eLightweight construction with excellent handling\u003c\/li\u003e\n\u003cli\u003eOutstanding UV resistance for long-term durability\u003c\/li\u003e\n\u003cli\u003eAvailable with or without a low-profile splice termination\u003c\/li\u003e\n\u003cli\u003eHigh visibility colours for safety and easy identification\u003c\/li\u003e\n\u003cli\u003eCE certified and EN 1891 Type A compliant\u003c\/li\u003e\n\u003cli\u003eAvailable in 35m and 45m lengths\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border: 1px solid #ddd; border-collapse: collapse; text-align: left;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px;\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eDiameter\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e11.8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eConstruction\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e100% polyester, low elongation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eCertification\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eCE Certified, EN 1891 Type A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eColours\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eHigh-visibility colour options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eTermination Options\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eWith or without low-profile splice\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhy Choose the Marlow Vesper?\u003c\/h2\u003e\n\u003cp\u003eAn all-polyester construction is what gives the Vesper its particular strengths — genuinely high heat resistance from friction hitches and mechanical devices, plus excellent UV resistance for ropes that spend long hours in direct sunlight. Choosing between splice or unspliced also means the rope fits your preferred termination method rather than a one-size-fits-all approach.\u003c\/p\u003e\n\u003ch2\u003ePairs Well With\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/en-eu\/collections\/mechanical-friction-devices\"\u003eShop Mechanical Friction Devices\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-eu\/collections\/harnesses-spares\"\u003eShop Climbing Harnesses\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAlso Known As\u003c\/h2\u003e\n\u003cp\u003eAlso searched for as: Marlow Vesper rope, 11.8mm all-polyester climbing rope, EN 1891 Type A arborist rope, Marlow tree climbing line.\u003c\/p\u003e\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat type of climbing is Marlow Vesper suitable for?\u003c\/summary\u003e\u003cp\u003eVesper is ideal for professional tree climbing, work positioning and arborist techniques using friction hitches or mechanical devices.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes the rope come with a splice?\u003c\/summary\u003e\u003cp\u003eIt is available both with a low-profile splice termination and as an unspliced line, depending on user preference.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs Vesper certified for professional arborist use?\u003c\/summary\u003e\u003cp\u003eYes, it is CE certified and meets EN 1891 Type A requirements for safety and performance.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow durable is the rope in outdoor use?\u003c\/summary\u003e\u003cp\u003eThe polyester construction provides excellent UV resistance and long-term durability in harsh outdoor environments.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat diameter is Vesper?\u003c\/summary\u003e\u003cp\u003eIt is an 11.8mm climbing line, a popular size for a wide range of climbing devices and friction hitches.\u003c\/p\u003e\u003c\/details\u003e","brand":"Marlow","offers":[{"title":"35m x 1 Eye","offer_id":45718566994164,"sku":"MW-WTS505","price":150.95,"currency_code":"EUR","in_stock":true},{"title":"45m x 1 Eye","offer_id":45718567026932,"sku":"MW-WTS506","price":182.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/6603\/1348\/files\/Marlow_Vesper_Climbing_Line_11.8mm.jpg?v=1756826150","url":"https:\/\/www.gustharts.com\/en-eu\/products\/marlow-vesper-11-8mm-climbing-line","provider":"Gustharts","version":"1.0","type":"link"}