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Griffon [Mens] Hooded Mid-layer Fleece Jacket

Lightweight and packable fleece jacket with Polygiene technology that uses a gridded fleece backer to provide amazing warmth without excess weight and bulk

Griffon hooded mid-layer fleece jacket
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Lightweight and highly breathable fleece that punches above its weight in warmth by trapping loads of air with its voided grid back structure, letting you dump heat like a demon.

Griffon is a lightweight addition to your layering system, great for chilly days at high cadence on the bike or as a super breathable midlayer under a windproof or shell. It’s the perfect weight for not-quite-so-balmy UK summer evenings at the crag or campsite.

The full-length zip makes for easy layering and allows you to control the warmth as your activity level changes. The hood means you can leave your hat at home, knowing if the wind picks up on your hike you can get your ears covered and carry on moving with no fuss. Unobtrusive thumb loops are there if you need them (but are discreet if you don’t), and the zipped chest pocket allows you to stash some cash, keys or a card.

With a smooth outer face, a two-tone look, and Polygiene odour control technology it also serves well as a travel companion by sneaking in under the ‘you can’t wear a fleece out to dinner’ radar!

What is Polygiene?

Polygiene anti-odour treatmentWear more, wash less: it’s every busy adventurer’s dream…
We apply Polygiene™ to garments so that they smell less with wear and need washing less between use: ideal for that multi day getaway (and you’re doing your bit for the environment too).
Polygiene ™ is a silver based treatment that we apply during fabric production. The silver chloride prevents the growth of the bacteria that makes your clothes pong without interfering with the skin’s natural bacteria flora, so it’s comfortable and safe next to your skin. Polygiene ™ is bluesign ® approved (meeting the highest environmental standards) and lasts as long as your clothes do, so you’ll never need to reproof them.
The catch? There isn’t one! You can wear this garment day in, day out, and day back in again without causing a stink – winner!

Key features
  • 3 Year Alpine Bond
  • Moisture wicking and quick drying
  • Full length Vislon zip
  • Snug fitting lycra bound hood
  • Thumb loops and zipped chest pocket
  • Flatlock seams throughout
  • External chest zip for valuables
  • Polygiene™ Technology: Wear more, wash less
More images
  • griffon-hoody-mens-Jaffa - Stefan wears size Medium in the Griffon
  • griffon-hoody-mens-Tarmac-1 - Stefan wears size Medium in the Griffon
  • griffon-hoody-mens-Tarmac-2 - Stefan wears size Medium in the Griffon
Vital stats

Weight: S: 315 g, M: 325 g, L: 340 g, XL: 375 g, XXL: 400 g


Fabric: 97% polyester, 3% Spandex, 210 gsm
Two-tone smooth face,
High void brushed grid back

Origin: China

Size chart
Men's sizing
Chest (inches) 37" 40" 43" 46" 49"
Waist (inches) 30" 32" 34" 36" 38"
This size chart indicates the body measurements our garments are designed to fit. Measure yourself as described below, and use the size chart to find your size.
Chest: measure around your chest at the widest part. The tape measure should pass under your arms, and be level from front to back.
Waist: measure around your waist at the narrowest part.
Hips: standing with your feet together, measure around your hips at the widest part.

Product Support Team Advice

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What You Say: Customer Reviews and Comments

28 Reviews


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Griffon hoody

I've been looking for a lightweight hooded 'active' fleece for some time, and when Alpkit emailed to say one was being launched I was in.
Received it, wore it, got poo'd on by a bird, washed it and wore it again.
Seems to dry quickly and is perfect for chilly starts. Not sure about the design of the thumb holes, have had bad experiences with this design. Other than that, and the odd sizing (I am large in everything but Alpkit), it's bob-on!

Typically great from Alpkit.

I expect good things from Alpkit and this most recent hoodie is no exception. Great lightweight and athletically designed top, easily fits under an outer layer or for warmer weather by itself. The inner fabric reminds me of 'polartec ' type design and does a great job of insulating considering how thin it is.

I think the Forest colour is much greener than it seems in the pictures, but I don't mind and I've ordered the other colour too!I

Fit as expected, prompt delivery and overall great service.

Super, smashing, great

My Alpkit obsession continues, with the purchase of the Griffon. Been after a gridded fleece for yonks, so this was just the ticket. Very lightweight, warm and looks great. Love the longer arms and thumb loops. A large is a perfect fit for me at 5' 9". Superb value as always. Looking forward to visiting the Hathersage and Ambleside shops in the next few weeks.....spend a few more quid!

Nice bit of kit

Lovely fleece. Was on Helm Cragg Wednesday with the wife when a geezer with alpine poles vaulted past me! He was wearing his fleece in green! I wore mine in Bowness that night and whilst supping plenty of beer, I had a thought, I wonder how many of these fleeces have sold and what a small world it is!

Alison R
Fabulous for tall chaps with long arms

Lovely and thin but warm. Washes brilliantly. Great value. More colours please x

A legend in the making

If your work or play in the outdoors and you don't own one of these you must be mad. I have owned mine for about a month now, and I have had it one more than off, it has been on Exmoor, and a 16 day expedition to South Africa. If it didn't say Alpkit on it, you wouldn't know that it hadn't been made by one of those overpriced American companies. This will be a future legend in the way that KSB boots were.

Neil Cottam - Chase The Rainbow
Dead good.

I love The Griffon, it's dead good.
I managed to snag one in time for my trip to Sri Lanka; My regular fleece jackets were all a bit too thick for the tropics and I needed something nice and light to keep the off the evening chill whilst up in the mountains. The Griffon was top notch.
A nice athletic fit (if you've got a round bit in the middle you might find that it sticks out), and a slinky hood that sits perfectly well under a helmet.
It's almost certain to become my most used jacket. Classic Alpkit product. Well done.

First impressions are excellent

I'm reviewing the Griffon after a few days of use and so far, I'm impressed! Out of the bag, I was struck by how thin the gridded fleece material seemed; it is a very lightweight construction, but in use it's warm, athletically fitted making it ideal for layering when the temperatures drop or on its own for autumnal days.

A very versatile bit of kit and one which I can see becoming my go-to layer in all but the coldest of days on the hills.

Also, going to have to purchase a second for my other half, as she's taken a shine to it as well. Ta, Alpkit!

Superb midlayer

A superb midlayer. Very comfortable and warm for its weight. Fit is close, which works really well. I especially like the vislon zip which feels robust compared to expensive lightweight zips.
I bought one, and, liked it so much I bought another.

Willies 62
Excellent !

An excellent piece of kit/ garment! Light, pack able, good fitting, warm and stretchy . Wow! What a snug bit of kit! Being on the cold weather.


Ordered one size larger as other reviewers noted that it was a slim fit (I'm too old and wise for that kind of thing). Having just cycled my morning commute across town in the first misty frost of the season, I can happily say it's a perfect all-round autumn/winter mid-layer. Traps and disperses heat well enough (in both body and hood) to work as my sole warm layer with a windproof on top. If and when things get proper nippy it's still slim enough to allow for another couple of layers on top. I'm really, *really* pleased with this hoody and unless I buy another (a major possibility) I will only be peeling this garment off my back when summer comes (and I'll do it begrudgingly).

Chet Manley
Suitable for most great apes

As a person with a body shape that can only be described as 'gibbon', jumpers of all sorts never fit. Too short in the arms and body, or baggy as an early 90's indie band t-shirt.

Slimmer cut, long body and arms. I can wave at people with flashing midriff now, thanks Alpkit!

Super useful

Got turned on to Alpkit's gear by a mate at work. Now rock a Griffon pretty much every day, ideal under a Definition in winter or as a light jacket in summer. Just a perfect piece of kit.

Steve Lockley
Love it

Ordered an xl but received a large which worked out better for me great snug fit went up kinder scout in snowy freezing temp under a waterproof and boy is this fleece warm no lie it's the best purchase I've made in years no doubt I'll be getting a few more of these belters

Griffon Fleece

The griffon is a lovely fit, quite long in the body and arms. I have worn it with a thin merino base layer and water proof jacket and it's just right on a cold winters day in the peak. Another brilliant product from Alpkit.

Tom D
Griffon Hoody

This is brilliant. Bought this to use for Ten Tors training, taking kids out onto Dartmoor which is notoriously unpredictable, especially in winter.
It is a very thin, you can see through it if held up to light, but the grid backing keeps heat in very well, whilst the thin material and the full zip allow you to lose heat when needed. Works well in a layered system.
Very comfortable to wear, I found it quite fitting, but I have big shoulders and could loose some weight, I'm 6ft. I bought a large.
Would fully recommend.

Great Top

So pleased with this great quality mid layer (I have paid triple the price for Patagonia) no discernible difference. Love the details= fitted hood and thumb holes. First Alpkit purchase definitely not the last.

Ross Philpot
Usual Alpkit Exceptional Quality

Wear this all the time, even round the house, its so lightweight and yet really warm, combined with the Kepler Zip and Morphosis Jacket I can go anywhere and regulate my body temperature. Cycling and Climbing its brilliant.

The G Man
My new favourite top

Possibly one of the most versatile items of clothing I've bought. Light. Warm. Stylish. Well-fitted. Thumb loops are fab. I've worn mine running, cycling, generally out and about and on adventures to the, er, pub. A rear pocket would be amazing but might not be for everyone.

A must have in my bag

I ordered this fleece as a light weight layer for ski touring and it did not let me down! For it's weight it is super warm yet breathable. It is comfortable enough to sleep in on cold camps and, due to its fit, can be layered easily! And its breathability is amazing compared to some of my previous midlayers! Just to top it off, it also looks good!

What They Say: Kudos - Product Reviews from independent magazines and websites


WalkHighlands Review the Griffon Hoody

A really useful, lightweight layer that punches well above it’s weight in terms of performance and price.


WalkHighlands June 2018 - Helen Webster