{"product_id":"mountain-equipment-helium-400-regular-down-sleeping-left-zip","title":"Mountain Equipment Helium 400 Regular Down Sleeping - Left Zip","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 Regular Down Sleeping Bag \u003c\/span\u003euses 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\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\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\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\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003e\u003cspan style=\"color: #000000;\"\u003eMountain Equipment Helium 400 Regular Down Sleeping Bag Features:\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\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\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\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\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\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\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\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\u003cul\u003e\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\u003c\/ul\u003e\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\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\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\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\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\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\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Roboto Slab', arial, helvetica, sans-serif; font-size: 16px;\"\u003e\u003cspan style=\"color: #000000;\"\u003eMountain Equipment Helium 400 Regular Down Sleeping Bag Specification:\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\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\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\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\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\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\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\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\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\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\u003cul\u003e\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\u003c\/ul\u003e\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\u003cul\u003e\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\u003c\/ul\u003e\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\u003cul\u003e\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\u003c\/ul\u003e","brand":"Mountain Equipment","offers":[{"title":"Default Title","offer_id":58170262389123,"sku":"ME-005968-01635","price":244.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0861\/1178\/1160\/files\/Mountain_Equipment_Helium_400_Regular_Down_Sleeping_Bag_2023.jpg?v=1780409670","url":"https:\/\/camping-essentials.co.uk\/products\/mountain-equipment-helium-400-regular-down-sleeping-left-zip","provider":"Camping Essentials","version":"1.0","type":"link"}