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Ravn Severe Weather Insulated Jacket

Name: Ravn Severe Weather Insulated Jacket
Rating: 5.00 (3 reviews)

~~£389.00~~ £275.00

Warm, robust insulated jacket combining weather resistance with dependable warmth.

Jöttnar’s warmest synthetic layer. Pertex® Quantum ripstop shell and body-mapped insulation. 100% recycled OceanCycle outer with a PFC-free DWR finish. 160gsm core insulation, with 100gsm mapped to sleeves and hood.

Glove-compatible adjusters, insulated hand pockets, two chest pockets, two internal dump pockets and stretch cuffs. Two-way moulded front zip with insulated rear baffle and press studded hem. Extended cut for coverage. Full specification below.

Colour Balsam Green

Size Small

Sizing charts

The measurements in the charts refer to your body measurements. Measure your body as described and then choose the corresponding product size.

Men's Sizing

	Small EUR 46 - 50	Medium EUR 50 - 52	Large EUR 52 - 54	X Large EUR 54 - 56
Chest	96 - 102 cm 38 - 40 in.	102 - 106 cm 40 - 42 in.	106 - 111 cm 42 - 44 in.	111 - 116 cm 44 - 46 in.
Waist	76 - 81 cm 30 - 32 in.	81 - 86 cm 32 - 34 in.	86 - 91 cm 34 - 36 in.	91 - 96 cm 36 - 38 in.
Inside Leg	80 cm 31.5 in.	81 cm 31.9 in.	82 cm 32.2 in.	83 cm 32.7 in.

Women's Sizing

	X Small UK 6 - 8 EUR 34 - 36 US 2 - 4	Small UK 10 - 12 EUR 36 - 38 US 6 - 8	Medium UK 12 - 14 EUR 40 - 42 US 8 - 10	Large UK 14 - 16 EUR 42 - 44 US 10 - 12
Bust	82 - 86.5 cm 32 - 34 in.	86.5 - 91.5 cm 34 - 36 in.	91.5 - 96.5 cm 36 - 38 in.	96.5 - 101.5 cm 38 - 40 in.
Waist	64 - 68.5 cm 25 - 27 in.	68.5 - 73 cm 27 - 29 in.	73 - 77.5 cm 29 - 31 in.	77.5 - 82.5 cm 31 - 33 in.
Low Hip	88 - 92.5 cm 34.5 - 36.5 in.	92.5 - 97.5 cm 36.5 - 38.5 in.	97.5 - 102.5 cm 38.5 - 40.5 in.	102.5 - 107.5 cm 40.5 - 42.5 in.
Inside Leg	77 cm 30.3 in.	78 cm 30.7 in.	79 cm 31.1 in.	80 cm 31.5 in.

How to measure

Chest/Bust

With the tape under your armpit, measure across fullest part and across shoulder blades.

Waist

Measure around natural waistline at the narrowest part.

Low Hip

Measure around the widest part of the hip bones.

Inside leg

In a standing position, measure from top of inside leg at crotch to ankle bone.

Small Medium Large XL

Delivery £3.99. Next Day £9.99

Ravn Severe Weather Insulated Jacket

~~£389.00~~ £275.00

Balsam Green Small

Use & Highlights

When to use — Jöttnar’s warmest synthetic layer. A severe-weather belay jacket built for stillness in the storm. Winter climbing static periods, prolonged cold belays, ski touring stops and exposed cold-weather conditions where sustained warmth matters.

Body-mapped insulation — 160gsm synthetic fill in the main body for core warmth. Lighter 100gsm in the sleeves and hood keeps mobility intact and prevents excess bulk at the arms. Ravn delivers warmth where it counts without adding weight where it doesn’t.

Pertex® Quantum OceanCycle outer — The shell is woven from 100% recycled OceanCycle polyester — post-consumer ocean-bound plastic reclaimed and certified through the OceanCycle programme. Pertex® Quantum 50D micro ripstop is tough and abrasion resistant. PFC-free DWR finish.

Hood — Insulated over-helmet hood with 2-point adjustment that maintains peripheral vision. Glove-compatible concealed adjuster at aperture and rear. The insulated hood adds meaningful warmth at the head and neck.

Extended cut — Cut longer than a standard insulated jacket for coverage — a specific design decision for static cold-weather use where a shorter jacket would lose warmth at the lower back.

Pockets — Two chest pockets with rucksack compatible positioning. Two large internal dump pockets. Hand warmer pockets with front-facing insulation. Separate stuff sack included.

Ethics & sustainability — 100% recycled OceanCycle outer. PFC-free DWR finish.

Tech Specs & Care

Outer fabric
Pertex® Quantum 50D micro ripstop
100% recycled OceanCycle polyester
PFC-free DWR finish

Insulation
160g/m² synthetic fill — main body
100g/m² synthetic fill — sleeves and hood

Hood
Over-helmet hood with 2-point adjustment
Glove-compatible concealed adjuster at aperture and rear
Insulated hood

Cuffs
Technical stretch cuffs

Draw cords
No-loop, anti-snag, glove-compatible hem draw cords

Pockets
2 × chest — rucksack-compatible, zipped
2 × internal dump pockets
2 × hand warmer pockets — front-facing insulation

Zips
2-way YKK® moulded centre front zip with insulated rear baffle
YKK® hand and chest pocket zips

Weight & fit
654g (men’s medium, including stuff sack)
Regular fit — recommended to size up to wear over shells
Extended cut for additional coverage

Stuff sack
Separate stuff sack included

Care
Machine wash 30°C — gentle wash
Tumble dry cool
Do not dry clean, do not iron, do not bleach

Top quality!

Fantastic product. Incredibly warm. In terms of sizing I am a large in the Floyen and sized down to a medium in this, still plenty of space for layering for me at 174cm and 78kg. Can’t fault the product at all! Looking forward to getting years of use out of it!

Excellent

Excellent quality jacket. Pockets are a great size. Chest pockets very accessible. Zip handles very easily used. Drop pockets useful for gloves and other such items. Plenty of space inside. Worn recently below zero windchill with just a t shirt underneath. Doesn’t feel like you are wearing such a significant jacket.

Norway Feb 2026

Mixed feelings about this jacket! It is very lightweight. However, it was used in a number of different situations and it kept me warm. Temp ranges were -8/-24 degrees and at no point did I feel cold. I only wore a merino wool baselayer and used a medium weight mixed material fleece underneath. This jacket was used in freezing Fjords on boats with windchill, standing around on a train platforms in very cold conditions, Husky sledding in the wilds for 2hrs and running around the mountains for several hrs. It performed well! The pockets are excellent and will swallow just about all your possessions. The jacket fits well, I am 5ft 8 and stocky build with 45 inch chest and the large is plenty big enough for me. The hood wraps round quite nicely but has a weird cut at the front which is a little uncomfortable for me. Maybe more playing around with it will solve the annoyance. The front zip appears to be robust but doesn't always engage that easily so you have to line it up very precisely. The stitching looks good for a modern jacket. For me the outer material seems very soft and to an extent thin. ( This is explained in the blurb on the website) We will see about it's durability as we go. So far, so Good!

5 stars: 3 (100%)
4 stars: 0 (0%)
3 stars: 0 (0%)
2 stars: 0 (0%)
1 star: 0 (0%)

Top quality!

Fantastic product. Incredibly warm. In terms of sizing I am a large in the Floyen and sized down to a medium in this, still plenty of space for layering for me at 174cm and 78kg. Can’t fault the product at all! Looking forward to getting years of use out of it!

Excellent

Excellent quality jacket. Pockets are a great size. Chest pockets very accessible. Zip handles very easily used. Drop pockets useful for gloves and other such items. Plenty of space inside. Worn recently below zero windchill with just a t shirt underneath. Doesn’t feel like you are wearing such a significant jacket.

Norway Feb 2026

Mixed feelings about this jacket! It is very lightweight. However, it was used in a number of different situations and it kept me warm. Temp ranges were -8/-24 degrees and at no point did I feel cold. I only wore a merino wool baselayer and used a medium weight mixed material fleece underneath. This jacket was used in freezing Fjords on boats with windchill, standing around on a train platforms in very cold conditions, Husky sledding in the wilds for 2hrs and running around the mountains for several hrs. It performed well! The pockets are excellent and will swallow just about all your possessions. The jacket fits well, I am 5ft 8 and stocky build with 45 inch chest and the large is plenty big enough for me. The hood wraps round quite nicely but has a weird cut at the front which is a little uncomfortable for me. Maybe more playing around with it will solve the annoyance. The front zip appears to be robust but doesn't always engage that easily so you have to line it up very precisely. The stitching looks good for a modern jacket. For me the outer material seems very soft and to an extent thin. ( This is explained in the blurb on the website) We will see about it's durability as we go. So far, so Good!

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About Jöttnar

Pro Team

Ravn Severe Weather Insulated Jacket

Sizing charts

Ravn Severe Weather Insulated Jacket

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