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Therm-a-Rest NeoAir XLite NXT vs Big Agnes Rapide SL Insulated

The Rapide SL Insulated is the better pick for most side and back sleepers: 4.25 inches of thickness and a 4.8 R-value give more cushion and warmth than the NeoAir XLite NXT's 3 inches and 4.5 R-value. The XLite NXT is the lighter, smaller-packed pad at 13 oz versus about 18 oz, so it wins for ounce-counting backpackers. The NeoAir's weak spot is durability and grip: owners report leaks and pads that stop holding air, and the slick surface slides at night. The Rapide's main complaint is repacking it into its stuff sack.

  • Choose the NeoAir XLite NXT if you count every ounce on long backpacking trips and want a warm pad that packs to about the size of a 1L bottle.
  • Choose the Rapide SL Insulated if you want a thicker, warmer, more forgiving pad and don't mind a few extra ounces.

Prices

  • Therm-a-Rest NeoAir XLite NXT: $149.99 at eBay (last seen Nov 9)
  • Big Agnes Rapide SL Insulated: $148.76 at Amazon (last seen Nov 9)
  • Difference: the Big Agnes Rapide SL Insulated is $1.23 cheaper than the Therm-a-Rest NeoAir XLite NXT at the latest prices (Nov 9)
Therm-a-Rest
Therm-a-Rest NeoAir XLite NXT

Therm-a-Rest NeoAir XLite NXT

3.9(161 ratings)
$149.99at eBayChecked Nov 9
See all prices and details
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Store links may earn us a commission.

Pros
  • Lightest option at 13 oz
  • Packs to about the size of a 1L water bottle
  • 4.5 R-value is warm enough for three-season and many winter nights
  • WingLock valve inflates one-way and adjusts firmness easily
  • Quieter than the previous XLite model
Cons
  • Slick surface lets sleepers slide off
  • Some owners report leaks or pads that stop holding air
  • Only 3 inches thick, so less cushion for side sleepers
  • Noise still bothers some sleepers
Big Agnes
Big Agnes Rapide SL Insulated

Big Agnes Rapide SL Insulated

$148.76at AmazonChecked Nov 9
See all prices and details
Visit Amazon

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

Pros
  • 4.25 inches of thickness cushions side sleepers
  • 4.8 R-value is warmer than the XLite NXT
  • Packs small at 4 x 7 inches
  • Owners report a quieter, less slippery sleep
  • Fewer durability complaints than the XLite
Cons
  • About 5 oz heavier than the XLite NXT
  • Harder to repack into its stuff sack
  • Fewer length and width options

What separates them

Therm-a-Rest NeoAir XLite NXTBig Agnes Rapide SL Insulated
Weight13 oz (0.8 lb)About 1 lb 2 oz
R-value (warmth)4.54.8
Thickness3 in4.25 in
Packed size4.1 x 9 in4 x 7 in
Surface gripSlick; owners say it slides at nightQuieter, less slippery feel reported by owners
Durability reportsSome owners report leaks and pads that stop holding airFewer leak complaints; main gripe is repacking
InflationWingLock valve with one-way inflation and pump sack includedStandard valve; inflates by mouth or pump
Size rangeShort, Regular, Regular Wide, LargeRegular and wide options

Price history

  • Therm-a-Rest NeoAir XLite NXT: lowest $174.55 on Nov 9 at Amazon.
  • Big Agnes Rapide SL Insulated: lowest $148.76 on Nov 9 at Amazon.

Prices at every store

Therm-a-Rest NeoAir XLite NXT

  • Cascade DesignsNew

    In stockReturn policy

    $199.95Checked Nov 9
    Visit Cascade Designs
  • BananaFingersNew

    In stock

    $194.63+ $22.00 shippingChecked Nov 9
    Visit BananaFingers
  • eBayNew

    Availability unknownSold by shopwithme-71 (98.5% positive, 1,700 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $149.99+ $10.15 shippingChecked Nov 9
    Visit eBay
  • AmazonNew

    Availability unknown

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

    $174.55Free shippingChecked Nov 9
    Visit Amazon

Also available at

  • Garage Grown GearCheck price at Garage Grown Gear
  • Cascade DesignsCheck price at Cascade Designs

Store links may earn us a commission.

All 20 stores and price history →

Big Agnes Rapide SL Insulated

  • eBayNew

    In stockShips from Malaysia · duties may apply

    $159.91Free shippingChecked Nov 9
    Visit eBay
  • BackcountryNew

    In stock

    $219.95Free shippingChecked Nov 9
    Visit Backcountry
  • AmazonNew

    Availability unknown

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

    $148.76Free shippingChecked Nov 9
    Visit Amazon
  • eBayNew

    Availability unknownSold by kasper_auto (99.7% positive, 349 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $179.00Free shippingChecked Nov 9
    Visit eBay

Store links may earn us a commission. Some prices via Klarna.

All 5 stores and price history →

Specs compared

SpecTherm-a-Rest NeoAir XLite NXTBig Agnes Rapide SL Insulated
Weight13 oz.1 lb 2 oz
R-value4.54.8
Packed Size4.1" x 9" (regular)4 x 7 inches
Pad Thickness3 inches4.25 inches
InflatableYesYes
ColorYellow, GoldRed, Orange
Length (")72.072.0
Thickness3″—
Lengths AvailableShort (66"), Regular (72"), Large (77")—
WidthRegular (20"), Wide (25")—
Shell Fabric30D ripstop HT nylon—
Insulation TypeThermaCapture aluminized foil—
Show all 20 specsShow fewer specs
SpecTherm-a-Rest NeoAir XLite NXTBig Agnes Rapide SL Insulated
SizesRegular Short, Regular, Regular Wide, Large—
Regularmummy, 20 x 72 in—
Regular Widemummy, 25 x 72 in—
Largemummy, 25 x 77 in—
Weight (lb)0.8—
Tent Type—Dome Tent
Tent Features—Water Repellent
Insulated—Yes

What reviewers say

Therm-a-Rest NeoAir XLite NXT

  • 3.9 / 5161 ratings

Owners rate the XLite NXT well for warmth, weight and comfort, and many say the noise reduction is real. The recurring complaints are pads that fail to hold air and a slick surface that lets bags slide.

What people mention
  • Weight and pack sizePraisedOwners like that it disappears into a pack and packs near the size of a water bottle.
  • WarmthPraisedThe 4.5 R-value is reported to keep sleepers warm on cold nights.
  • NoiseMixedMost say it is far quieter than the previous model, but some light sleepers still notice it.
  • DurabilityCriticisedSeveral buyers report pads that leak or stop holding air after the first use.

Big Agnes Rapide SL Insulated

Owners rate the Rapide SL Insulated highly for comfort and warmth at its weight. Most criticism centers on repacking it and on the care an inflatable pad needs.

What people mention
  • ComfortPraisedOwners say the 4.25-inch thickness keeps hips and shoulders off the ground.
  • WarmthPraisedThe 4.8 R-value is seen as enough for cold three-season nights.
  • PackabilityMixedIt packs small, but owners find it hard to roll back into the stuff sack.
  • DurabilityMixedOwners like the build but worry about punctures on an inflatable pad.
Reviews
  • The Best Backpacking Sleeping Pads of 2026
  • Best Backpacking Sleeping Pads of 2026 - Reviews You Can Rely On

Questions and answers

Which is better for side sleepers?
The Rapide SL Insulated. Its 4.25-inch thickness keeps hips and shoulders off the ground better than the XLite NXT's 3 inches.
Which is warmer for cold nights?
The Rapide SL Insulated, with a 4.8 R-value against 4.5 on the XLite NXT. Both are rated for three-season use and light winter camping.
Which lasts longer?
Owners report fewer leaks on the Rapide SL Insulated. The XLite NXT has a notable share of complaints about pads that stop holding air, though many owners use theirs for years.
Is the XLite NXT worth stepping up to over the Rapide?
Only if weight and packed size matter most. It saves about 5 oz and packs slightly smaller, but you give up thickness, warmth and surface grip.
Which is quieter at night?
The Rapide SL Insulated gets fewer noise complaints. The XLite NXT is 83% quieter than its previous version, but some sleepers still notice it.
Do both come with a pump sack?
The XLite NXT includes a pump sack, stuff sack and field repair kit. The Rapide SL Insulated does not include a pump sack, so plan to inflate by mouth or bring one.

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More comparisons

  • Therm-a-Rest NeoAir XTherm NXT vs Therm-a-Rest NeoAir XLite NXT
  • Therm-a-Rest NeoAir XTherm NXT vs Big Agnes Rapide SL Insulated

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