{"product_id":"mountain-equipment-helium-400-down-sleeping-bag-long-majolica-blue","title":"Mountain Equipment Helium 400 Down Sleeping Bag - Long (Majolica Blue)","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003e\u003cspan style=\"color: #000000;\"\u003eThe Mountain Equipment Helium 400 Down Sleeping Bag is an incredibly light, versatile and packable sleeping bag that's well suited to backpacking, mountaineering and cycle touring. The Helium 400 will happily cope with cooler nights during the spring and summer months\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003e\u003cspan style=\"color: #000000;\"\u003eT\u003c\/span\u003e\u003cspan style=\"color: #000000;\"\u003ehe Mountain Equipment Helium 400 Sleeping Bag u\u003c\/span\u003eses 403g of minimum 700-fill power DOWN CODEX-approved duck down and a high-performance, 100% recycled Helium 20D outer fabric; the Helium 400 is warm, lightweight and ultra-compressible for easy packing. Efficiently sized, supremely comfortable and very low in weight for backpacking and cycle touring while still being warm enough to cope with chilly nights.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eSlant-baffle construction through the body maximises warmth, improves packability, and prevents down migration, keeping you warm night after night and preventing cold spots. At the foot of the bag, a four-baffle system focuses essential warmth around your feet, while in the hood, a five-baffle system optimises comfort and keeps the down precisely where it needs to be.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eInside the bag, a 100% recycled Supersoft 20D lining fabric with PFAS-free DWR offers breathability and durability for comfortable nights and a long lifespan, while a full-length Gemini™ entry zip baffle practically eliminates heat loss in this vulnerable area and is stiffened so it won’t catch in the zip. The low-profile magnetic Lode Lock™ closure and collar drawcords are practical and easy to use in the dark.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eDesigned with a technical yet comfortable Alpine 2.0 fit, Helium bags optimise thermal performance while minimising weight. With a Good Night’s Sleep Temperature of -5°C (23°F), the Helium 400 offers reliable warmth for travel to more northerly latitudes and for early spring and autumn use at higher altitudes.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003e\u003cspan style=\"color: #000000;\"\u003eMountain Equipment Helium 400 Long Down Sleeping Bag Features:\u003c\/span\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eInsulation:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eOptimised baffle-by-baffle for maximum warmth-to-weight ratio.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eRegular: 367g of 90\/10 Duck Down with 700+ fill power.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eLong: 388g of 90\/10 Duck Down with 700+ fill power.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eEthically sourced through DOWN CODEX© and RDS 3.0.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eEach bag includes a unique DOWN CODEX© code for transparency on sourcing and fill power.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eMaterials:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eRecycled HELIUM™ 20D: A lightweight (38gsm), recycled 20-denier fabric that balances durability, compressibility, and weather resistance. Densely woven for wind and heat loss resistance with a PFAS-free DWR finish.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eSupersoft™ Lining: 38gsm 20D recycled downproof nylon for breathability, durability, and next-to-skin comfort. PFAS-free DWR finish.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003ePatterning \u0026amp; Design:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eDesigned for long-term durability and high performance.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eWomen’s Alpine Fit: A refined, tapered shape with a zoned EXL® system that improves thermal efficiency while keeping the weight low.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eSlanted box-wall baffles: Reduce structural weight while optimising insulation.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eStrategic fill distribution: High-density fill in key areas (underside, hood, foot box) to prevent down migration and enhance warmth.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eFoot box:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eTrapezium 4 System: A four-baffle design that enhances warmth and prevents compression around the feet.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eHood:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eFive-baffle construction for precise down control, low weight, and superior insulation.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eSpacious yet snug with dual tether drawcords to minimise heat loss.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eZip Baffles \u0026amp; Collars:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eGemini™ Baffle System: A lightweight, low-profile design that minimises heat loss while maintaining protection.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eLode Lock™ System: A secure, magnetic fastener with a mechanical lock for a one-handed quick-release closure.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eIntegrated, adjustable down-filled neck collar for extra warmth.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eAdditional Features:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eWaterproof roll-top stuff sack: Maximises pack space and keeps gear dry.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eStorage Cube: Preserves down loft for better long-term performance. Ideal for at-home storage.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003e\u003cspan style=\"color: #000000;\"\u003eMountain Equipment Helium 400 Long Down Sleeping Bag Specification:\u003c\/span\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eUser Size:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eRegular: 185cm (6 ft 1 in) maximum user height\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eLong: 200cm (6 ft 6 in) maximum user height\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eWeight:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eRegular: 820g (1lb 12.9oz)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eLong: 870g (1lb 11.5oz)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eInsulation:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eDuck Down is ethically sourced via DOWN CODEX© and RDS 3.0.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eRegular: 403g of 90\/10 Duck Down with 700+ fill power.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eLong: 425g of 90\/10 Duck Down with 700+ fill power.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eTemperature Ratings (EN13537\/ISO23537):\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eComfort: 0°C (32°F)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eComfort Limit: -6°C (21°F)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eExtreme: -24°C (-11°F)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eGood Night's Sleep Temperature:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003e-5°C (23°F)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003ePacked Size:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003e24cm x 21cm x 20cm (9.4in x 8.3in x 7.9in)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eManufactured in:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003eVietnam\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mountain Equipment","offers":[{"title":"Default Title","offer_id":58170097107331,"sku":"ME-006058-01635","price":269.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0861\/1178\/1160\/files\/Mountain_Equipment_Helium_400_Long_Down_Sleeping_Bag_Majolica_Blue.jpg?v=1780406125","url":"https:\/\/camping-essentials.co.uk\/products\/mountain-equipment-helium-400-down-sleeping-bag-long-majolica-blue","provider":"Camping Essentials","version":"1.0","type":"link"}