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FREE UK DELIVERY £50+ | EXTENDED RETURNS
FREE UK DELIVERY £50+ | EXTENDED RETURNS
FREE UK DELIVERY £50+ | EXTENDED RETURNS
FREE UK DELIVERY £50+ | EXTENDED RETURNS
The Warmlite 550 XT-R pairs a technical shell and high-loft down with only the essential design features, which keeps the price sensible for multi-day hiking and mountaineering trips. The recycled shell is highly breathable, so body moisture moves out instead of gathering in the down and cutting its warmth, and a draft tube along the zip holds the heat in. It has two temperature ratings, -1°C for cold sleepers and -7°C for warm sleepers, so you can see whether it will work for the way you sleep.
| Season | Three - Four Season |
|---|---|
| Intended Use | Hiking / Sub Alpine / Alpine |
| Waterhead | 1,000mm+ |
| Breathability | 15,000g/m²/24 hours |
| Zip | Left and Right hand zip YKK #5 Coil zip |
| Model | 550 Standard | 550 Extra Large |
|---|---|---|
| Zip Side | Left & Right | Left |
| Fill Weight | 550g | 650g |
| Total Weight | 1060g | 1200g |
| Max User Height | 185cm | 200cm |
| Max Shoulder Circ. | 160cm | 170cm |
| Cold Sleeper | -1°C / 30°F | -1°C / 30°F |
| Warm Sleeper | -7°C / 19°F | -7°C / 19°F |

How Do I Wash My Sleeping Bag?
We recommend hand washing your bag in a large tub with down cleaner.
Follow these steps to hand wash your bag:
How Do I Dry My Sleeping Bag?
The Do’s
The Don’ts
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.
The Warmlite 550 XT-R pairs a technical shell and high-loft down with only the essential design features, which keeps the price sensible for multi-day hiking and mountaineering trips. The recycled shell is highly breathable, so body moisture moves out instead of gathering in the down and cutting its warmth, and a draft tube along the zip holds the heat in. It has two temperature ratings, -1°C for cold sleepers and -7°C for warm sleepers, so you can see whether it will work for the way you sleep.
| Season | Three - Four Season |
|---|---|
| Intended Use | Hiking / Sub Alpine / Alpine |
| Waterhead | 1,000mm+ |
| Breathability | 15,000g/m²/24 hours |
| Zip | Left and Right hand zip YKK #5 Coil zip |
| Model | 550 Standard | 550 Extra Large |
|---|---|---|
| Zip Side | Left & Right | Left |
| Fill Weight | 550g | 650g |
| Total Weight | 1060g | 1200g |
| Max User Height | 185cm | 200cm |
| Max Shoulder Circ. | 160cm | 170cm |
| Cold Sleeper | -1°C / 30°F | -1°C / 30°F |
| Warm Sleeper | -7°C / 19°F | -7°C / 19°F |

How Do I Wash My Sleeping Bag?
We recommend hand washing your bag in a large tub with down cleaner.
Follow these steps to hand wash your bag:
How Do I Dry My Sleeping Bag?
The Do’s
The Don’ts
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.

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