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Therm-a-Rest 20F Down Quilt vs Enlightened Equipment Enigma 20

Both are 20°F ultralight quilts that need a pad underneath. The Therm-a-Rest edges ahead on fill quality and wet-weather protection: 900-fill Nikwax hydrophobic goose down in a 10-denier shell, at about 1 lb 6 oz. The Enigma carries more down (about 15.5 oz of 850-fill) and comes in more sizes, so it suits cold-footed sleepers and people who want a wider or longer cut. Reviewers rate both as solid three-season quilts; the Enigma is the more customizable pick, the Therm-a-Rest the more weatherproof one.

  • Choose the Therm-a-Rest 20F/-6C Down Quilt if you want the higher-fill, water-resistant down and a slightly lighter quilt for damp, cold trips.
  • Choose the Enlightened Equipment Enigma 20 if you sleep cold at the feet, want a sewn footbox, or need a short, long or wide size.

Prices

  • Therm-a-Rest 20F Down Quilt: $309.95 at Amazon (last seen Nov 10)
  • Enlightened Equipment Enigma 20: $220.00 at eBay (last seen Nov 9)
  • Difference: the Enlightened Equipment Enigma 20 is $89.95 cheaper than the Therm-a-Rest 20F Down Quilt at the latest prices (Nov 9 and Nov 10)
Therm-a-Rest
Therm-a-Rest 20F/-6C Down Quilt

Therm-a-Rest 20F Down Quilt

Therm-a-Rest 20F/-6C Down Quilt

$309.95at AmazonChecked 15 h ago
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Pros
  • 900-fill hydrophobic down resists damp better
  • ISO-tested 20°F limit and 32°F comfort
  • Light for its warmth
  • DWR shell sheds condensation
Cons
  • Only one size, fits to 72 in
  • Open foot end drafts for cold-footed sleepers
  • Goose down costs more than duck down builds
Enlightened Equipment
Enlightened Equipment Enigma 20

Enlightened Equipment Enigma 20

$220.00at eBayChecked Nov 9
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Pros
  • Sewn footbox keeps feet warm
  • More down for the weight
  • Short, long and wide sizes
  • Draft collar and U-shaped baffles
Cons
  • Duck down, not hydrophobic treated
  • No ISO comfort rating published
  • Fewer weatherproofing features on the shell

What separates them

Therm-a-Rest 20F Down QuiltEnlightened Equipment Enigma 20
Down fill900-fill Nikwax hydrophobic goose down, 12.5 oz850-fill duck down, about 15.5 oz
Weight (regular)About 1 lb 6 ozAbout 1 lb 5 oz
Shell fabric10-denier nylon ripstop with DWRUltralight nylon, PFAS-free
FootboxSemirectangular quilt with open foot endSewn-closed footbox, no zippers
Sizing optionsRegular only, fits to 72 inShort, regular and long; regular and wide widths
Temperature ratings20°F limit, 32°F comfort (ISO tested)20°F rating, no ISO comfort figure published
Pad attachmentStraps and clips to a padTwo elastic straps, one straight and one loop
Packed size3.7 liters compressedStuff sack included, similar packed volume

Price history

$385.00$309.95
Nov 9Nov 11
  • Therm-a-Rest 20F Down Quilt: lowest $309.95 on Nov 9 at Amazon; $309.95 on Nov 11.
  • Enlightened Equipment Enigma 20: lowest $324.00 on Nov 9 at Salida Mountain Sports; $385.00 on Nov 11.

Prices at every store

Therm-a-Rest 20F Down Quilt

  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $309.95Free shippingChecked 15 h ago
    Visit Amazon
  • eBayPre-owned

    Availability unknownSold by ch22492669 (100% positive, 150 ratings)Ships from United Kingdom · duties may applyReturns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $360.50+ $68.76 shippingChecked Nov 9
    Visit eBay
  • eBayNew

    Availability unknownSold by dosin-5473 (95% positive, 247 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $444.85Free shippingChecked Nov 9
    Visit eBay

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All 2 stores and price history →

Enlightened Equipment Enigma 20

  • Salida Mountain SportsNew

    In stock

    $324.00+ $8.90 shippingChecked Nov 9
    Visit Salida Mountain Sports
  • KavisoNew

    In stock

    $365.00Free shippingChecked Nov 9
    Visit Kaviso
  • Ramsey OutdoorNew

    In stock

    $385.00Free shippingChecked 15 h ago
    Visit Ramsey Outdoor
  • eBayNew

    Availability unknownSold by rockventure72 (100% positive, 12 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $220.00+ $18.00 shippingChecked Nov 9
    Visit eBay

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All 7 stores and price history →

Specs compared

SpecTherm-a-Rest 20F Down QuiltEnlightened Equipment Enigma 20
WeightRegular: 1 lb. 6 oz.1 lb. 4.9 oz.
Fill900-fill-power Nikwax hydrophobic goose down15.5 oz. of 850-fill down
Temperature Rating (F)20 degrees (F)—
Temperature Rating (C)-6 degrees (C)—
Tested Lower Limit20 degrees (F) - ISO—
Tested Comfort32 degrees (F) - ISO—
Fill Weight12.5 ounces—
Shell10-denier nylon ripstop with durable water repe…—
Lining10-denier nylon ripstop—
Compressed Volume3.7 liters—
Sleeping Bag ShapeSemirectangular—
Fits Up ToRegular: 72 inches—
Show all 30 specsShow fewer specs
SpecTherm-a-Rest 20F Down QuiltEnlightened Equipment Enigma 20
Temperature rating—20°F
Color—Navy/Charcoal
Closure Type—Snap and drawcord neck closure, No zippers
Size—Regular / Regular, Long / Wide, Regular/Wide
Count—1
Fill Type—Down
Fill Power—850
Material Type—Ultralight nylon fabric, Silnylon (stuff sack)
Material Certifications—Ethically sourced (down)
Age Group

What reviewers say

Therm-a-Rest 20F Down Quilt

Backpackers praise the quilt's low weight, packability and loft for its rating, and many use it comfortably into the 30s. Owners note the missing hood and thin shell as the main trade-offs, and some find the 20F limit optimistic without a warm layer.

What people mention
  • WeightPraisedOwners call it one of the lightest quilts at its rating.
  • PackabilityPraisedIt compresses small enough for a minimal pack.
  • LoftPraisedThe 900-fill down lofts quickly and holds up in damp weather.
  • HoodCriticisedReviewers miss a hood and wear a hat on cold nights.

Enlightened Equipment Enigma 20

Owners rate the Enigma 20 highly for its warmth-to-weight ratio and the draft-free sewn footbox. Most say the 20°F rating holds around freezing with a baselayer, and many praise the sizing range. Complaints center on the lack of a hood and the quilt sliding off unstrapped pads.

What people mention
  • WarmthPraisedOwners say it sleeps warm to around freezing with a baselayer.
  • WeightPraisedReviewers call it among the lightest 20°F options they have used.
  • FootboxPraisedThe sewn-closed footbox keeps feet draft-free, which cold sleepers single out.
  • Pad attachmentCriticisedSeveral owners say the quilt slips off pads that lack straps or clips.
Reviews
  • Switchback Travel | Best Ultralight Quilts of 2026

Questions and answers

Which is warmer for a cold sleeper?
The Enigma carries more down and has a sewn footbox, so it holds heat at the feet better. The Therm-a-Rest has a higher fill power and an ISO-tested 32°F comfort rating, which makes its warmth easier to judge.
Do I need a sleeping pad with either?
Yes. Both are quilts, not bags, and rely on a pad for insulation underneath you. Each includes straps to attach it to a pad.
Which is better for wet climates?
The Therm-a-Rest. Its Nikwax hydrophobic down and DWR shell handle condensation and damp better than the Enigma's untreated duck down.
Is the Enigma worth stepping up to over the Therm-a-Rest?
If you sleep cold at the feet or need a short, long or wide size, yes. Otherwise the Therm-a-Rest's fill and shell are the stronger spec.
Which lasts longer?
Both use thin 10-denier-class nylon that needs care. The Therm-a-Rest's treated down resists moisture damage over time, while the Enigma's simpler shell has fewer coatings to wear.

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Buying guides that pick them

  • Best backpacking down quilts for ultralight camping
  • Best duck down backpacking quilts
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ADULT
Occasion—Camping
Typical Users—Sleepers with cold feet
Fit Style—Extra room (due to half taper design)
Organic—PFAS-Free
Shape—Quilt
Design Highlights—Sewn-closed footbox, Draft Collar
Length—Short / Regular, Long / Wide, Regular / Regular
Width—Regular / Wide, Long / Wide, Regular / Regular