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

Both are 20°F down quilts for ultralight backcountry sleepers, and the choice comes down to fit and features. The Enigma 20 uses 850-fill down, a sewn-closed footbox and a draft collar, and comes in several length and width combinations, so it suits sleepers with cold feet who want a roomier cut. The Vesper 20 uses higher 900-fill down, box baffles and a SynergyLink strap system that mates it to a pad, and it packs smaller, but its rectangular shape and fixed sizing give fewer fit options. Owners of both praise the warmth-to-weight ratio; the Enigma gets more notes about customization and the Vesper more about packability.

  • Choose the Enigma 20 if you want a sewn footbox, a draft collar and a choice of length and width to fit your body.
  • Choose the Vesper 20 if you want the smallest packed size, higher-fill down and a strap system that locks the quilt to your pad.

Prices

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

Enlightened Equipment Enigma 20

$220.00at eBayChecked Nov 9
See all prices and details
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Pros
  • Generous down fill for its rating
  • Sewn footbox keeps feet warm
  • Draft collar seals the neck
  • Multiple length and width choices
Cons
  • No pad straps included
  • Shell is not water-resistant rated
  • No zipper or vent to dump heat
Therm-a-Rest
Therm-a-Rest Vesper 20F/-6C Quilt

Therm-a-Rest Vesper 20F Quilt

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

$309.95at AmazonChecked Nov 9
See all prices and details
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Pros
  • 900-fill down packs very small
  • Box baffles limit down shifting
  • SynergyLink straps hold it to the pad
  • Water-resistant shell
Cons
  • Fewer size options
  • Open footbox drafts more in cold
  • Rectangular cut is less contoured

What separates them

Enlightened Equipment Enigma 20Therm-a-Rest Vesper 20F Quilt
Down fill power850-fill900-fill
FootboxSewn-closed, no zipper or ventOpen rectangular quilt with snap-neck closure
Pad attachmentPad straps sold separatelySynergyLink Connector included
Sizing optionsShort, Regular and Long lengths; Regular and Wide widthsFixed sizing with a Long option
Draft protectionDraft collar at the neckPerimeter side baffles and snap-neck
Water resistanceUltralight nylon shell, not water-resistant ratedWater-resistant shell
Packed sizeCompact but bulkier for the same ratingMore packable for the same rating
ShapeHalf-taper quilt with extra roomRectangular quilt

Price history

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

Prices at every store

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 10 min 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

Store links may earn us a commission.

All 7 stores and price history →

Therm-a-Rest Vesper 20F Quilt

  • AmazonNew

    Availability unknown

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

    $309.95Free shippingChecked Nov 9
    Visit Amazon
  • eBayNew

    Availability unknownSold by linrtwit_0 (100% positive, 7 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $320.96Free shippingChecked Nov 9
    Visit eBay
  • EpicTVNew

    Availability unknown

    $393.95Checked Nov 9
    Visit EpicTV
  • OliunìdNew

    Availability unknown

    $393.95Checked Nov 9
    Visit Oliunìd

Also available at

  • eBayCheck price at eBay

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All 17 stores and price history →

Specs compared

SpecEnlightened Equipment Enigma 20Therm-a-Rest Vesper 20F Quilt
Temperature rating20°F20° F
ColorNavy/CharcoalBlue, Black, Turquoise, Multicolor, Gray
Fill Power850900 fill power
ShapeQuiltRectangular
Weight1 lb. 4.9 oz.—
Fill15.5 oz. of 850-fill down—
Closure TypeSnap and drawcord neck closure, No zippers—
SizeRegular / Regular, Long / Wide, Regular/Wide—
Count1—
Fill TypeDown—
Material TypeUltralight nylon fabric, Silnylon (stuff sack)—
Material CertificationsEthically sourced (down)—
Show all 26 specsShow fewer specs
SpecEnlightened Equipment Enigma 20Therm-a-Rest Vesper 20F Quilt
Age GroupADULT—
OccasionCamping—
Typical UsersSleepers with cold feet—
Fit StyleExtra room (due to half taper design)—
OrganicPFAS-Free—
Design HighlightsSewn-closed footbox, Draft Collar—
LengthShort / Regular, Long / Wide, Regular / Regular—
WidthRegular / Wide, Long / Wide, Regular / Regular—
With Stuff Sack—Yes
Department

What reviewers say

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.

Therm-a-Rest Vesper 20F Quilt

Owners of ultralight quilts like this one praise the weight-to-warmth ratio and packability, and many say the pad attachment makes the quilt feel secure. Complaints center on drafts around the neck and edges and on the rating being optimistic for cold sleepers.

What people mention
  • WeightPraisedOwners say it is among the lightest options at this temperature rating.
  • PackabilityPraisedIt compresses into a small stuff sack for the warmth it delivers.
  • DraftsCriticisedUsers report cold air entering at the neck and along the open edges.
  • Pad attachmentPraisedThe SynergyLink straps keep the quilt centered on the pad through the night.
Reviews
  • Switchback Travel | Best Ultralight Quilts of 2026

Questions and answers

Which is warmer for a cold sleeper?
Both are rated 20°F, but the Enigma's sewn footbox and draft collar trap heat better around the feet and neck. The Vesper relies on perimeter baffles and its snap-neck. A cold sleeper is likely to feel warmer in the Enigma.
Which packs smaller?
The Vesper. Its 900-fill down and box baffles compress into a smaller stuff sack for the same temperature rating, which matters on fast-and-light trips.
Do I need to buy straps for either?
The Vesper includes SynergyLink connectors that attach to your pad. The Enigma does not include pad straps, so budget for a set if you want it secured.
Which suits a side sleeper?
The Enigma's half-taper cut and width options give more room to roll over. The Vesper's rectangular shape is fine but less contoured, and its fixed sizing limits the fit.
Is the Vesper worth stepping up to over the Enigma?
Step up if packed size and pad attachment matter most. Stay with the Enigma if you want a sewn footbox, a draft collar and a tailored fit.
Can either handle damp conditions?
The Vesper has a water-resistant shell, which helps with condensation and light drizzle. The Enigma's shell is not water-resistant rated, so use a bivy or shelter in wet weather.

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  • Therm-a-Rest Vesper 32F/0C Ultralite Down Backpacking Quilt vs Enlightened Equipment Enigma 20

Buying guides that pick them

  • Best backpacking down quilts for ultralight camping
—
Men's / Unisex
Long—Yes
Water Resistant—Yes
Filling—Down
Season—3-Season Sleeping Bag