Best Bridge Hammock Underquilts
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On this page
- Bridge hammock underquilts compared
- How we chose these options
- Why bridge hammocks need different underquilts
- The best bridge hammock underquilts
- Do you need an underquilt for a bridge hammock?
- How to fit an underquilt to a bridge hammock
- Pairing a top quilt with a bridge hammock
- Common bridge hammock insulation mistakes
- Is a bridge hammock worth the insulation hassle?
- FAQ
Quick answer: If you own a Warbonnet Ridgerunner, buy Warbonnet's own Ridgerunner-cut underquilt; nothing else fits as cleanly. For other bridge hammocks, a custom underquilt from UGQ Outdoor built to your hammock's dimensions, or a DIY Climashield APEX underquilt, gives the best seal. In mild weather, a sleeping pad works better in a bridge hammock than in any gathered-end design.
Bridge hammocks lie flatter than gathered-end hammocks thanks to spreader bars at each end, and that shape changes everything about insulation. Most underquilts are cut for the deep curve of a gathered-end hammock, so on a bridge they leave gaps along the sides and at the ends. This guide covers the few underquilts genuinely designed or built for bridge hammocks, honest workarounds, and how to tell whether you need an underquilt at all.
If you are still choosing a hammock style, start with our gathered-end vs bridge hammock comparison. For general picks, see best underquilts.
Bridge hammock underquilts compared
| Option | Insulation | Fits | Weight | Price tier | Best for |
|---|---|---|---|---|---|
| Warbonnet Ridgerunner-cut underquilt | Down | Warbonnet Ridgerunner | Varies by model and rating | $$-$$$ | Ridgerunner owners |
| UGQ Outdoor custom underquilt | Down or synthetic | Built to your dimensions | Depends on build | $$-$$$ | Other bridge hammocks |
| DIY Climashield APEX bridge underquilt | Climashield APEX | Any bridge you measure | Depends on build | $ | Best value, exact fit |
| Wide full-length gathered-end underquilt | Down | Some bridges, with adjustment | ~20-28 oz (20°F) | $$-$$$ | Owners who already have one |
| Wide insulated sleeping pad | Air + insulation | Any bridge hammock | ~1-1.5 lb | $-$$ | Three-season simplicity |
| Closed-cell foam pad | Foam | Any bridge hammock | ~10-14 oz | $ | Budget, backup |
Weights and prices are approximate. Warbonnet and UGQ update their products and options regularly, so confirm current compatibility on their sites.
How we chose these options
We do not lab-test gear. We compared published dimensions and suspension designs against the shape of popular bridge hammocks and read owner reports on hammock forums and Reddit, where bridge owners frequently discuss fit problems. Fit was our first filter: an underquilt with a great rating that gaps on your hammock will be colder than a lighter quilt that seals. We only list underquilts we can confirm are designed for bridge hammocks or are built to order, plus honest alternatives. Ratings across makers are not ISO or EN tested; see underquilt temperature ratings.
Why bridge hammocks need different underquilts
A gathered-end hammock forms a deep curve, and you lie diagonally across it. Underquilts for it are cut to follow that curve and cinch at the ends. A bridge hammock is held open by spreader bars, so the body is closer to a shallow, rectangular trough, and you lie straight along it.
- Side gaps: a gathered-end underquilt is wide in the middle and tapers at the ends. On a bridge, the hammock stays wide at the head and foot, so the quilt pulls away along the edges.
- End channels: spreader bars and bridge suspension lines sit where gathered-end quilt shock cord would normally cinch, complicating attachment.
- Shoulders: bridges put your shoulders closer to the head end, where generic quilts are narrowest.
- Length: bridge bodies are shorter than most gathered-end hammocks, so a full-length gathered-end quilt can bunch.
Our underquilt sizing guide explains how to measure a hammock for any underquilt.
The best bridge hammock underquilts
Best for Warbonnet Ridgerunner
Warbonnet Ridgerunner-cut underquilt
- Fill
- Down
- Weight
- Varies by model and rating
- Price tier
- $$-$$$
- Best for
- Ridgerunner owners who want a guaranteed fit
Warbonnet's Ridgerunner is one of the most popular backpacking bridge hammocks, and Warbonnet offers versions of its underquilts cut specifically for it. Because the hammock and quilt are designed together, owners report a clean seal along the sides and at the shoulders with little fiddling. Check Warbonnet's current lineup for which models and ratings are offered in a Ridgerunner cut; our Warbonnet Wooki review covers the design family.
Pros
- Purpose-built fit for the Ridgerunner
- Quick, simple hang
Cons
- Only suited to Warbonnet's bridge
- Fewer ratings than some custom makers
Best for other bridge hammocks
UGQ Outdoor custom underquilt
- Fill
- Down or synthetic, your choice
- Weight
- Depends on build
- Price tier
- $$-$$$
- Best for
- Owners of less common bridge hammocks
UGQ is known for deep customization, including dimensions and suspension details, which makes it a practical route for bridge hammocks that have no matching quilt. Measure your hammock's length and width when hung, and confirm with UGQ before ordering that the build will suit a bridge. Owners consistently praise UGQ's build quality and adjustable suspension.
Pros
- Built to your hammock's dimensions
- Choice of fill, rating and fabric
Cons
- You need accurate measurements
- Custom lead times
Best value, exact fit
DIY Climashield APEX bridge underquilt
- Fill
- Climashield APEX
- Weight
- Depends on fabric and APEX weight
- Price tier
- $
- Best for
- Hangers who can sew a straight seam
A bridge underquilt is actually one of the easier DIY projects: the shape is closer to a rectangle than a gathered-end quilt, and APEX needs no baffles. You can size it exactly to your hammock and add attachment points that clear the spreader bars. Many bridge owners have built their own for exactly this reason.
Pros
- Perfect fit for your specific bridge
- Low cost
Cons
- Time and trial and error
- Synthetic is heavier than down
See our DIY underquilt guide.
Best workaround
Wide full-length gathered-end underquilt (e.g. Hammock Gear Incubator)
- Fill
- Down
- Weight
- Roughly 20-28 oz for a 20°F
- Price tier
- $$-$$$
- Best for
- Hangers who already own one or switch between hammock types
This is not a bridge-specific product, and we list it as a workaround only. A wide, full-length gathered-end underquilt with adjustable side cords can work acceptably on some bridges, especially if you add extra side tensioners to pull the edges up. Expect more fiddling and some cold spots at the corners. If you are buying new for a bridge, the options above are better.
Pros
- Works across hammock types
- Easy to buy and resell
Cons
- Side gaps are common
- Bunches on shorter bridge bodies
Best pad option
Wide insulated sleeping pad (e.g. Therm-a-Rest NeoAir XLite, wide)
- Fill
- Air with reflective or synthetic insulation
- Weight
- Roughly 1-1.5 lb for a wide size
- Price tier
- $$
- Best for
- Three-season bridge hangs, people who also sleep on the ground
Bridge hammocks are the one hammock style where a sleeping pad works almost as well as an underquilt. The flatter lay keeps the pad from sliding, and a wide pad covers your shoulders. Choose a pad width that matches your bridge body. An insulated pad does double duty if you sometimes camp on the ground. Our underquilt vs sleeping pad guide compares the two in detail.
Pros
- Stays put in a bridge hammock
- Works for ground camping too
Cons
- Less comfortable than a lofted underquilt
- Can feel clammy in humid weather
Best budget option
Closed-cell foam pad (e.g. Therm-a-Rest Z Lite Sol)
- Fill
- Closed-cell foam
- Weight
- About 10-14 oz
- Price tier
- $
- Best for
- Budget setups and backup insulation
A foam pad is cheap, unpoppable and sits well in a bridge hammock. On its own it suits mild nights; combined with an underquilt it adds a margin of safety for cold snaps. It also helps insulate the edges where a less-than-perfect underquilt might gap.
Pros
- Very low cost
- Durable and reliable
Cons
- Limited warmth on its own
- Bulky to carry
Do you need an underquilt for a bridge hammock?
For many bridge owners, the honest answer is "not always". The flatter lay that makes underquilts harder to fit also makes pads easier to use. A reasonable approach:
- Warm nights (above about 60°F): nothing, or a foam sit pad under your hips.
- Three-season: a wide insulated pad, or a lighter underquilt if you dislike pads.
- Below freezing: a proper bridge underquilt, often with a pad inside as backup. See winter hammock camping.
Our sleeping pad in a hammock guide covers pad choice and placement.
How to fit an underquilt to a bridge hammock
- Measure your hammock when hung. Note the length between spreader bars and the width at the head, middle and foot.
- Route suspension around the spreader bars. End cords should attach to the bridge suspension or spreader bar hardware, not interfere with the hammock's ridgeline.
- Use side tensioners. Elastic cords from the quilt's edges to the hammock's side or the bridge suspension lift the edges into contact.
- Check from inside. Lie down and run a hand along each edge. Cold air drafts usually come in at the shoulders and hips.
- Do not overtighten. A quilt pulled hard against the fabric loses loft. Snug, not stretched, is the goal.
General hanging technique is covered in how to hang an underquilt.
Wind hits bridge hammocks from the sides more than gathered-end designs because the body sits higher and flatter. An underquilt protector or a tarp pitched with one edge low helps a lot.
Pairing a top quilt with a bridge hammock
Bridge hammocks lie flatter, so a top quilt drapes more like it would on the ground. A slightly wider quilt with a sewn footbox is easiest. Because you lie straighter, draft collars and pad straps are less critical than in a gathered-end hammock. See our best hammock top quilts roundup for matching options.
Common bridge hammock insulation mistakes
- Buying a gathered-end quilt and hoping: it may work, but plan time to experiment at home before relying on it on a trip.
- Ignoring the shoulders: bridge hammocks put your shoulders close to the head-end spreader bar, where cold air slips in. Make sure the quilt reaches high enough.
- Using a narrow pad: a standard 20-inch pad in a wide bridge leaves your arms and shoulders exposed. Choose a wide pad or add a short foam panel.
- Over-tensioning side cords: pulling the edges hard can stretch the shell flat against the hammock and kill loft in the middle.
- Forgetting wind: the flatter, more exposed profile of a bridge catches crosswinds. Pitch the tarp to block the prevailing wind.
If you still get cold spots, our cold butt syndrome guide works through the usual causes, and the broader hammock insulation guide explains how pads and quilts combine.
Is a bridge hammock worth the insulation hassle?
For many people, yes. Bridge hammocks offer a flat lay that suits back and side sleepers, and the pad-friendliness is a real advantage for three-season trips: you can use the same pad you would bring for ground camping. The trade-offs are weight, a more involved pitch with spreader bars, and fewer off-the-shelf underquilt choices. If you want the widest choice of underquilts and the lightest setup, a gathered-end hammock is simpler. If you value the flat lay, bridge owners who invest in a properly fitted underquilt or a good wide pad rarely look back.
Specs and prices are approximate, and product lineups change. Confirm bridge compatibility with each maker before you order. Some links on this page are affiliate links.
Frequently asked questions
Can I use a regular underquilt on a bridge hammock?
Sometimes, but a gathered-end underquilt is cut for a banana-shaped hammock and often gaps along the sides or at the ends of a flatter bridge hammock. If you try one, choose a generous full-length model and expect extra adjustment.
Do bridge hammocks need an underquilt at all?
Not always. Because bridge hammocks lie flatter, a sleeping pad stays in place far better than in a gathered-end hammock. Many bridge owners use a pad in mild weather and add an underquilt when it gets cold.
What is the best bridge hammock underquilt?
If you own a Warbonnet Ridgerunner, the matching Warbonnet underquilts are the easy answer. For other bridge hammocks, a custom underquilt sized to your hammock, from a maker like UGQ or one you build yourself, gives the best fit.
Why are bridge hammock underquilts hard to find?
Bridge hammocks are a small share of the market and their shapes vary between makers, so most dedicated bridge underquilts come from the hammock's own maker or from custom cottage builds.