LIVRAISON GRATUITE AU ROYAUME-UNI À PARTIR DE 50 £ | RETOURS GRATUITS AU ROYAUME-UNI | LIVRAISON DANS L'UE ET À L'INTERNATIONAL

LIVRAISON GRATUITE AU ROYAUME-UNI À PARTIR DE 50 £ | RETOURS GRATUITS AU ROYAUME-UNI

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  • A rugged walking path through a grassy valley with ancient stone ruins and mountains in the distance.

    Les meilleurs créateurs de contenu sur YouTube, TikTok et les vlogs consacrés aux activités de plein air

  • Bright orange tent glowing from within at dusk in a snowy forest clearing.

    Du sol de la forêt à un coin douillet

  • Snow-capped mountains and moorland at Glencoe, Scotland, at sunset with a small lochan in the foreground.

    Camps de base en montagne | Glencoe, Écosse

  • Jørgen standing in a doorway wearing a dark blue shirt, with a home interior visible behind him.

    Entretien : Jørgen Amundsen, Amundsen Sports

  • Lit candles in dark glass jars arranged on woven placemats with neutral textiles and dried botanicals.

    Nids nordiques

  • Ticket to the Moon hammock suspended between trees with mountain lake view below.

    Ticket To The Moon | L'histoire

  • Aerial view of a wild landscape with wetlands, blue waterways and rolling hills under a clear sky.

    Espaces sauvages | 6 exemples remarquables de réussite en matière de renaturation au Royaume-Uni

  • Golden chanterelle mushroom growing in woodland moss and grass.

    Guide de cueillette : la chanterelle

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  • Lightweight warmth for colder hikes

    The Helium 600 is a lightweight down bag for hiking and mountaineering trips, with premium muscovy down inside an ultralight shell. The down has a water-repellent treatment for damp conditions, and arc-shaped baffles keep the loft high, so you get plenty of warmth for very little weight. It has two temperature ratings, -4°C for cold sleepers and -10°C for warm sleepers, so you can see whether it will suit the way you sleep.

      • Two temperature ratings, one for cold sleepers and one for warm sleepers
      • Arc-shaped baffles maximise loft and warmth
      • Vertical baffles on the torso keep the down evenly distributed
      • Contoured hood keeps the down evenly distributed around your head
      • Down-filled draft tube along the zip
      • Differential cut reduces compression and cold spots
      • Full-length side zip with dual sliders
      • Anti-snag shield along the zips
      • Tuck stitched seams and hydrophobic thread stop moisture wicking along the seams
      • Compression stuff sack and storage sack included
      • Season: Three - Four Season
      • Intended Use: Bushwalking / Sub-Alpine / Hiking
      • Zip: Left / right hand Zip YKK #5 Coil zip
    • Model 600 Standard 600 Extra Large
      Zip Side Left & Right Left
      Fill Weight 600g 700g
      Total Weight 1010g 1020g
      Max User Height 185cm 200cm
      Max Shoulder Circ. 160cm 170cm
      Cold Sleeper -4°C / 25°F -4°C / 25°F
      Warm Sleeper -10°C / 14°F -10°C / 14°F
      • Shell & Lining Fabric: 520 thread count, 10 by 10 denier ultralight Nylon (26g/m²)
      • Down Grade: 850+ loft premium RDS white muscovy down
      • Down Treatment: Water resistant DWR Loft treatment
    • Mont Adventure Sleeping bag size guide

        Standard Extra Large
      Max User Height 185cm 200cm
      Internal Shoulder Circ. 157cm 167cm
      Internal Hip Circ. 133cm 143cm
      Internal Foot Circ. 115cm 121cm
      • Between trips, store your bag in its storage sack to help maintain its loft and warmth.
      • Use a sleeping bag liner to help keep your bag clean and maintain its loft and warmth.
      • Use a camping mat under your bag to help keep it clean and provide thermal insulation from the ground.
      • Air your bag after each use and store it completely dry.

      How Do I Wash My Sleeping Bag?

      We recommend hand washing your bag in a large tub with down cleaner.

      • Do not dry-clean.
      • Do not use bleach or fabric softener.
      • Do not use a top-loading washing machine.

      Follow these steps to hand wash your bag:

      1. Turn your bag inside out or unzip it completely.
      2. Fill a tub with enough lukewarm water to cover the bag. Add down cleaner according to the manufacturer’s instructions.
      3. Gently knead the bag to work the water and cleaner through it. Take care not to lift the bag out of the water.
      4. Empty the tub and compress the bag to remove as much soiled water as possible.
      5. Refill the tub with clean water and knead the bag to rinse it. Repeat as needed.
      6. Empty the tub and compress the bag until it is thoroughly drained.
      7. Roll the bag into a ball and lift it with both hands. Lifting a wet bag loosely can tear the fabric.

      How Do I Dry My Sleeping Bag?

      • Tumble dry on a delicate, low-heat setting.
      • Check the bag frequently to make sure it is not overheating.
      • Massage the bag intermittently to break up any down clumps.
      • Add a few clean tennis balls to the dryer to help prevent the down from clumping.
      • When drying is finished, carefully feel the down to ensure it is completely dry before storing.
      • Lay the bag out for several days after drying before storing.

      The Do’s

      • Use a sleeping mat.
      • Use a sleeping bag liner.
      • Air your bag after use.
      • Store your bag in its storage sack.
      • Hand wash your bag as needed.
      • Use a down-cleaning solution.
      • Take your sleeping bag on wonderful adventures in the wild.

      The Don’ts

      • Do not dry-clean your bag.
      • Do not wash it with soap or detergent; use only a down-cleaning solution.
      • Do not use bleach or fabric softener.
      • Do not use a top-loading washing machine.
      • Do not lift your bag when it is very wet.
      • Do not tumble dry on high heat or for extended periods.
      • Do not store your bag damp.
      • Do not store your bag compressed.
      • Ethically Sourced Materials: The RDS certifies down against animal welfare requirements and tracks it from the source to the final product. The purchase of RDS certified products demonstrates demand for better animal welfare practices in the down and feather supply chain. Mont is certified to the RDS.
      • Sustainability Through Longevity: Mont product warranty covers manufacturing and material faults for 5 years from the date of purchase.
    • Ever found yourself halfway up a mountain in gear you wish you hadn’t bought? So did Andrew ‘Monty’ Montgomery. Sick of kit that couldn’t do the one job he’d bought it for, he borrowed a sewing machine in 1978 and made himself a sleeping bag, then a down jacket and a tent. Word travelled fast, and in 1981 he founded Mont in Canberra, Australia. By 1988 it was providing gear for Australia’s Bicentennial Everest climb, and Mont’s kit has since been on ascents of 8000m peaks, polar traverses and ski expeditions across Greenland.

      And Mont does all of this while taking responsibility seriously. All of Mont’s down is Responsible Down Standard certified, so the birds are never live-plucked or force-fed. It has partnered with Eden Reforestation Projects since 2020 to restore forest in Honduras, and it’s working towards carbon-neutral status under Australia’s Climate Active programme. The aim is gear that lasts in the harshest conditions on earth while doing as little damage as possible to the places it’s used.

    Helium 600 | -4°C / -10°C



    Size:
    Colour: Orange/Black
    Orange/Black
    Livraison gratuite au Royaume-Uni pour toute commande de 50 £ ou plus
    Retours gratuits pour les clients du Royaume-Uni et de l'Union européenne
    Garantie du meilleur prix
    Pas de frais de douane de l'UE
    Platinum Trusted Service Award 2025

    Lightweight warmth for colder hikes

    The Helium 600 is a lightweight down bag for hiking and mountaineering trips, with premium muscovy down inside an ultralight shell. The down has a water-repellent treatment for damp conditions, and arc-shaped baffles keep the loft high, so you get plenty of warmth for very little weight. It has two temperature ratings, -4°C for cold sleepers and -10°C for warm sleepers, so you can see whether it will suit the way you sleep.

      • Two temperature ratings, one for cold sleepers and one for warm sleepers
      • Arc-shaped baffles maximise loft and warmth
      • Vertical baffles on the torso keep the down evenly distributed
      • Contoured hood keeps the down evenly distributed around your head
      • Down-filled draft tube along the zip
      • Differential cut reduces compression and cold spots
      • Full-length side zip with dual sliders
      • Anti-snag shield along the zips
      • Tuck stitched seams and hydrophobic thread stop moisture wicking along the seams
      • Compression stuff sack and storage sack included
      • Season: Three - Four Season
      • Intended Use: Bushwalking / Sub-Alpine / Hiking
      • Zip: Left / right hand Zip YKK #5 Coil zip
    • Model 600 Standard 600 Extra Large
      Zip Side Left & Right Left
      Fill Weight 600g 700g
      Total Weight 1010g 1020g
      Max User Height 185cm 200cm
      Max Shoulder Circ. 160cm 170cm
      Cold Sleeper -4°C / 25°F -4°C / 25°F
      Warm Sleeper -10°C / 14°F -10°C / 14°F
      • Shell & Lining Fabric: 520 thread count, 10 by 10 denier ultralight Nylon (26g/m²)
      • Down Grade: 850+ loft premium RDS white muscovy down
      • Down Treatment: Water resistant DWR Loft treatment
    • Mont Adventure Sleeping bag size guide

        Standard Extra Large
      Max User Height 185cm 200cm
      Internal Shoulder Circ. 157cm 167cm
      Internal Hip Circ. 133cm 143cm
      Internal Foot Circ. 115cm 121cm
      • Between trips, store your bag in its storage sack to help maintain its loft and warmth.
      • Use a sleeping bag liner to help keep your bag clean and maintain its loft and warmth.
      • Use a camping mat under your bag to help keep it clean and provide thermal insulation from the ground.
      • Air your bag after each use and store it completely dry.

      How Do I Wash My Sleeping Bag?

      We recommend hand washing your bag in a large tub with down cleaner.

      • Do not dry-clean.
      • Do not use bleach or fabric softener.
      • Do not use a top-loading washing machine.

      Follow these steps to hand wash your bag:

      1. Turn your bag inside out or unzip it completely.
      2. Fill a tub with enough lukewarm water to cover the bag. Add down cleaner according to the manufacturer’s instructions.
      3. Gently knead the bag to work the water and cleaner through it. Take care not to lift the bag out of the water.
      4. Empty the tub and compress the bag to remove as much soiled water as possible.
      5. Refill the tub with clean water and knead the bag to rinse it. Repeat as needed.
      6. Empty the tub and compress the bag until it is thoroughly drained.
      7. Roll the bag into a ball and lift it with both hands. Lifting a wet bag loosely can tear the fabric.

      How Do I Dry My Sleeping Bag?

      • Tumble dry on a delicate, low-heat setting.
      • Check the bag frequently to make sure it is not overheating.
      • Massage the bag intermittently to break up any down clumps.
      • Add a few clean tennis balls to the dryer to help prevent the down from clumping.
      • When drying is finished, carefully feel the down to ensure it is completely dry before storing.
      • Lay the bag out for several days after drying before storing.

      The Do’s

      • Use a sleeping mat.
      • Use a sleeping bag liner.
      • Air your bag after use.
      • Store your bag in its storage sack.
      • Hand wash your bag as needed.
      • Use a down-cleaning solution.
      • Take your sleeping bag on wonderful adventures in the wild.

      The Don’ts

      • Do not dry-clean your bag.
      • Do not wash it with soap or detergent; use only a down-cleaning solution.
      • Do not use bleach or fabric softener.
      • Do not use a top-loading washing machine.
      • Do not lift your bag when it is very wet.
      • Do not tumble dry on high heat or for extended periods.
      • Do not store your bag damp.
      • Do not store your bag compressed.
      • Ethically Sourced Materials: The RDS certifies down against animal welfare requirements and tracks it from the source to the final product. The purchase of RDS certified products demonstrates demand for better animal welfare practices in the down and feather supply chain. Mont is certified to the RDS.
      • Sustainability Through Longevity: Mont product warranty covers manufacturing and material faults for 5 years from the date of purchase.
    • Ever found yourself halfway up a mountain in gear you wish you hadn’t bought? So did Andrew ‘Monty’ Montgomery. Sick of kit that couldn’t do the one job he’d bought it for, he borrowed a sewing machine in 1978 and made himself a sleeping bag, then a down jacket and a tent. Word travelled fast, and in 1981 he founded Mont in Canberra, Australia. By 1988 it was providing gear for Australia’s Bicentennial Everest climb, and Mont’s kit has since been on ascents of 8000m peaks, polar traverses and ski expeditions across Greenland.

      And Mont does all of this while taking responsibility seriously. All of Mont’s down is Responsible Down Standard certified, so the birds are never live-plucked or force-fed. It has partnered with Eden Reforestation Projects since 2020 to restore forest in Honduras, and it’s working towards carbon-neutral status under Australia’s Climate Active programme. The aim is gear that lasts in the harshest conditions on earth while doing as little damage as possible to the places it’s used.

    Mont Adventure Equipment

    Helium 600 | -4°C / -10°C

    Size: Standard
    Colour: Orange/Black
    + 0
    Colour Orange/Black
    Orange/Black