Insulation Buying Guide

10th December 2019 by

Being warm is cool


A warm jacket is your best friend during the winter months, but it can be difficult to know the difference in insulated jackets and which one will suit your needs most. We've put together our guide for all there is to know about insulation.

Down vs. Synthetic

When it comes to buying an insulated jacket, you're now faced with a decision, down or synthetic?

Fear not, there are pros and cons to both and they each have a specific purpose.

Down

Created from the plumage (not feathers), down insulation is extremely lightweight, warm and compressible, meaning it packs away easily into a backpack. Down is measured by fill power, the higher the fill power, the warmer (and more expensive) the jacket. Goose down has a higher warmth-to-weight ratio compared to duck down.

 

Pros Cons
Warm and light

More expenisve than 

synthetic

Compressible

Doesn't perform

in the wet

  • For use in dry, cold weather

Shop down jackets

Arc'teryx Thorium AR

Thorium AR Hoody Mens

Thorium AR Hoody Mens

Made with 750 fill European Grey Goose down for a lightweight, durable jacket that will pack away easily into your bag

£ 269.00 £ 201.75
Sorry, this product is not currently available.

Mountain Equipment Frostline Vest Mens Black

Frostline Vest Mens

Frostline Vest Mens

Pure Down insulation 90/10 700 fill power

£ 129.00 £ 96.75

Mountain Equipment Frostline Jacket Womens Moorland Slate

Frostline Jacket Womens

Frostline Jacket Womens

Pure Down with a minimum content of 90/10 700 fill power

£ 179.00 £ 134.25

Mountain Equipment Frostline Jacket Mens Acid

Frostline Jacket Mens

Frostline Jacket Mens

Pure Down insulation with a minimum content of 90/10 700 fill power traps in your body heat to keep you warm.

£ 189.00 £ 132.30

Patagonia Down Sweater Hoody Womens Craft Pink/Classic Navy

Down Sweater Hoody Womens

Down Sweater Hoody Womens

Insulation: 800-fill-power Traceable Down (800-fill-power goose down from geese traced from parent farm to apparel factory to help ensure the birds that supply it are not force-fed or live-plucked, as certified by NSF, an independent third party)

£ 219.00 £ 164.25

Patagonia Down Sweater Hoody Mens Fire W/Fire

Down Sweater Hoody Mens

Down Sweater Hoody Mens

Insulation: 800 fill power Traceable Down (Goose down traced from parent farm to apparel factory to help ensure birds that supply it are not force fed or live-plucked)

£ 229.00 £ 171.75
Sorry, this product is not currently available.

Black Diamond Access Down Hoody Mens Sulphur

Access Down Hoody Mens

Access Down Hoody Mens

Insulation: 700 fill-power RDS certified Allied HyperDRY™ goose down with DWR Treatment

£ 199.00 £ 149.25

Black Diamond Access Down Hoody Womens Aqua Verde

Access Down Hoody Womens

Access Down Hoody Womens

Allied HyperDry™ 700-fill goose down with a certified Responsible Down Standard (RDS)

£ 199.00 £ 149.25

Synthetic

There are plenty of companies with their own version of synthetic insulation, ranging from Coreloft™, Plumafill™, 3M Thinsulate™ and Polarloft™. Synthetic insulation is made from polyester fibres that imitate the properties of down. Unlike down, synthetic fibres perform really well in the wet and dry out much faster than down.

Pros Cons

Performs in the

wet

Not as warm as 

the same weight 

in down

Cheaper than

down

May lose heat

quicker

  • Good for use in all weather

Shop synthetic

Arcteryx Proton LT Hoody Womens Sunhaven

Proton LT Hoody Womens

Proton LT Hoody Womens

Air permeable Coreloft™ Compact 80 insulation regulates a comfortable micro-climate

£ 209.00 £ 156.75

Arcteryx Atom LT Hoody Mens Black

Atom LT Hoody Womens

Atom LT Hoody Womens

Insulation: Coreloft™ 60 for excellent warmth

£ 199.00 £ 149.00

Mountain Equipment Citadel Jacket Mens Azure

Citadel Jacket Mens

Citadel Jacket Mens

Packed with 200g of PrimaLoft® Gold insulation in the body

£ 299.00 £ 224.25

Mountain Equipment Superflux Jacket Mens Lapis Blue

Superflux Jacket Mens

Superflux Jacket Mens

POLARLOFT® Featherless insulation by 3M®

£ 179.00 £ 134.25

Mountain Equipment Superflux Jacket Womens Virtual Pink

Superflux Jacket Womens

Superflux Jacket Womens

POLARLOFT® Featherless insulation by 3M®

£ 179.00 £ 134.25

Patagonia Micro Puff Hoody Womens Classic Navy

Micro Puff Hoody Womens

Micro Puff Hoody Womens

Insulation: 65g PlumaFill™ 100% polyester

£ 249.00 £ 186.75

Patagonia Micro Puff Jacket Fire

Micro Puff Jacket

Micro Puff Jacket

Insulation: 65g PlumaFill 100% polyester

£ 219.00 £ 164.25

Icebreaker Hyperia Hooded Jacket Mens Surf

Hyperia Hooded Jacket Mens

Hyperia Hooded Jacket Mens

Hybrid construction with zoned MerinoLOFT™ front and back panels for core warmth and wind protection

£ 229.00 £ 171.75

Icebreaker Hyperia Hooded Jacket Womens Arctic Teal

Hyperia Hooded Jacket Womens

Hyperia Hooded Jacket Womens

Insulation: 180gm MerinoLOFT™

£ 229.00 £ 171.75

Sherpa Annapurna Hooded Jacket Mens Mewa Green

Annapurna Hooded Jacket Mens

Annapurna Hooded Jacket Mens

3M™ Thinsulate™ 75% Recycled Featherless Insulation

£ 199.00 £ 149.25
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