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Established 2006. Kent's Only Authorised 5.11 Tactical Retailer

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Packable cold-weather warmth

The 5.11 Peninsula Insulator Jacket is built for cold climates, using PrimaLoft insulation to keep you warm while staying light and flexible. It is the kind of layer you can wear on its own on a crisp day or slip under a shell when conditions turn, without feeling stuffed or restricted.

Weatherproof shell

A tough mini ripstop outer fabric carries a DWR finish, so it beads off light rain, sleet and snow and dries quickly. The full-zip front and zippered hand pockets seal in warmth and keep your essentials secure.

Packs down, goes anywhere

The jacket folds neatly into its own removable stuff sack, compressing to a size that drops easily into a daypack or cargo pocket. That makes it an ideal just-in-case layer for range days, hikes and travel.

Clearance, small only

This is a discontinued line in moss green, available in small only. Once the last pieces sell, they are gone for good. Explore more insulation and layers in our clothing range.

Platoon Stores is Kent’s only authorised 5.11 Tactical retailer, established 2006.

General
Brand5.11 Tactical
ColourMoss Green
Other
InsulationPrimaLoft
ClosureFull zip
ProductPeninsula Insulator Jacket
Shell fabric100% polyester mini ripstop
FinishDWR water-repellent
PackabilityFolds into removable stuff sack
Size availableSmall only
StatusDiscontinued clearance

Frequently asked questions

How warm is the Peninsula Insulator?

It uses PrimaLoft insulation, a high-performance synthetic that traps heat efficiently while staying light and compressible, so it delivers real warmth for cold-weather layering without bulk.

Is it waterproof?

It is water-repellent rather than fully waterproof. The mini ripstop shell has a DWR finish that sheds light rain and snow, but for sustained heavy rain wear a hardshell over the top.

Can I pack it away when not in use?

Yes. The jacket folds into its own removable stuff sack, so it packs down small into a bag or hand pocket, making it easy to carry as a spare layer.

What sizes are available?

This clearance listing is small only. It is a discontinued line, so once the remaining stock sells out we will not be receiving any more.

Can I wear it under a plate carrier or shell?

Yes. PrimaLoft insulation stays warm even when compressed, so it works well as a mid layer under a shell, smock or carrier when the temperature drops.