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Snugpak Hammock Insulation Explained; Man in Hammock with Insulation

Snugpak Hammock Insulation Explained: Quilt, Under Blanket & Cocoon

There is a particular kind of misery known only to hammock campers: the cold back. You climb in on a mild evening, drift off happily, and wake at 2am with a strip of cold running the length of your spine. Nine times out of ten this has nothing to do with the air temperature. It is your own body weight betraying you.

Lie down in a hammock and your sleeping bag and clothing get crushed flat underneath you. Insulation only works by trapping air, so once it is squashed there is nothing left to hold the warmth in, and heat pours straight out through the underside. A little breeze passing beneath the hammock makes it worse. This is the gap Snugpak's hammock insulation range is built to close.

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Snugpak Hammock Under Blanket WGTE in Olive Green - guy rope and adjustment detail

The tech, in plain English

The whole range is built on Snugpak's sleeping bag know-how: Travelsoft synthetic fill that keeps working when damp, a Micro Diamond outer shell, and a Paratex Antibacterial inner lining. Snugpak deliberately doesn't quote a fixed comfort temperature for any of it, because hammock setups vary so much from person to person. As a rough guide, the fill weights sit in the same territory as their two-season sleeping bags. Build up to colder nights gradually rather than trusting a number on a label.

Lets get to it...

The three products

There are three pieces in the range, and the thing that really decides which hammock each one suits is simply how it attaches.

  • Sungpak Hammock Quilt in the outdoors with a man sleeping below

    The Hammock Quilt

    A top quilt that lays over you, with a shaped foot pocket and insulated side flaps to tuck down the edges. It never touches the hammock structure, which makes it effectively universal. If you can lie in it, the Quilt works. It is the easiest way to add warmth on top, and it's a nice option if you find climbing into a full sleeping bag inside a hammock a faff. Around 1100g, packs to 24 x 22cm.

  • Snugpak Hammock Under Blanket: In the outdoors with a man sitting in hammock

    The Hammock Under Blanket

    This hangs against the outside underside of the hammock, so it insulates the very surface that gets compressed without being crushed itself. Elasticated guy ropes clip to the gathered ends. It is the warmer half of a two-piece system: pair it with the Quilt and you have proper top-and-bottom insulation. Best suited to gathered-end single hammocks. Around 1450g, packs to 23 x 23cm.

  • Snugpak The Hammock Cocoon: In the outdoors with a man inside sleeping

    The Hammock Cocoon

    The all-in-one option. The Cocoon fully encases the whole hammock (think "banana skin") with a full-length side zip for getting in and out. Elasticated guy lines hold it in place. One important note: it is not load bearing, so your hammock still has to take your weight. The Cocoon just wraps around it. Around 1950g, packs to 29 x 24cm

Which hammocks are they compatible with?

Snugpak's own compatibility wording across the range is simply that each piece "fits most single-person hammocks." They don't publish a model-by-model list, so the guidance below is our own read, based on how each accessory attaches versus how each hammock is actually built

Which hammock works with what

Hammock Quilt Under Blanket Cocoon Notes
Snugpak Tropical Quilt: Yes Under Blanket: Yes Cocoon: Yes Notes: The ideal match: Snugpak's own gathered-end single hammock.
Snugpak Jungle Quilt: Yes Under Blanket: Yes (hangs below the net) Cocoon: Fits, but net unusable Notes: The Cocoon seals the built-in net inside, so you lose insect protection while cocooned.
Highlander Trekker Quilt: Yes Under Blanket: Yes Cocoon: Yes Notes: A standard gathered-end single hammock, exactly the type "fits most" is written for.
DD Frontline Quilt: Yes Under Blanket: Works (cross-brand) Cocoon: Fits, but net unusable Notes: Double-layer base takes a mat; DD's own corner tabs suit a DD underblanket. The spreader-pole net makes the Cocoon a trade-off.
DD Camping Quilt: Yes Under Blanket: Yes Cocoon: Yes Notes: Gathered ends fit all three. Also has DD tabs and a mat sleeve as an alternative.

The headlines, if you skim tables:

  • The Quilt is universal across sleeping hammocks. It lays over you, so there is nothing to be incompatible with.
  • The Under Blanket and Cocoon are happiest on single-layer, gathered-end, no-net hammocks (Tropical, Highlander Trekker, DD Camping).
  • On integrated-net hammocks (Jungle, DD Frontline) the Cocoon physically fits but seals the net away inside, so Under Blanket plus Quilt is the smarter route if you want to keep the bugs out.

  • A DD hammock is designed around DD's own underblanket (via corner tabs) and a mat between its double layers, so a Snugpak Under Blanket is a solid cross-brand alternative rather than the purpose-built fit.

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What campers actually report


Under Blanket: the quiet star

There is real heritage here. The early DD Hammocks under blankets were made by Snugpak, so Snugpak insulation and gathered-end hammocks have paired naturally for years. Owners report it fitting a wide spread of hammocks: DD models, a big Hennessy Jungle Safari (on a 6'4" camper), a Dutch 11ft Argon, a TW Green Hornet and various DIY nylon builds. At roughly 210cm long it leaves "room to spare" even on the larger hammocks.

On warmth, the verdict is consistent. It is noticeably thicker and warmer than DD's own under blanket, with owners citing comfort down towards -10°C against around +5°C for the DD. The one recurring gripe is the guy-rope suspension, which people find fiddly. The popular fix is to add mini carabiners and prussik loops on your ridgeline or tarp lines, plus overhand-knot loops on the bungee ends, which speeds setup up nicely.

Cocoon: warmth in one wrap

The appeal is obvious. It adds roughly a full season of warmth and wraps everything up in one go, and current production is well made (earlier complaints about loops tearing were fixed with extra internal stitching). There are real downsides too. It's heavy, around 2kg, and bulky. The end openings can't be fully sealed, so draughts get in, and in rain some owners report water tracking down the suspension lines into those openings. Most reviewers rate it good value but keep it for cold, dry nights rather than wet or insect-heavy ones. And remember: on a netted hammock, cocooning seals the net inside and out of use.

Quilt: the easy win

The Quilt barely features in compatibility debates, for the simple reason that there is nothing to be compatible with. It is the easiest way to add top-side warmth, and it teams up with the Under Blanket to make a complete system.

So which should you buy?

  • Simplest all-in-one for cold, dry nights: the Cocoon. Accept the bulk, and remember a built-in net is sealed away while you use it.
  • Insect country, or you want your net working: the Under Blanket below and the Quilt on top, which leaves an integrated net free.
  • Already have a warm bag and only feel the cold from below: the Under Blanket on its own.
  • Just want a little top warmth, or dislike wriggling into a bag mid-air: the Quilt.

Whichever you pick, all three suit most single-person, gathered-end hammocks. The one honest caveat is that Snugpak only certifies "fits most single-person hammocks" and doesn't test third-party models, so it's worth a quick test hang in the garden before your first cold trip, especially with a netted hammock. Five minutes at home beats a shivering 2am rethink in the woods.

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