Neoair Xtherm Nxt Neptune + Thermarest

Neoair Xtherm Nxt Neptune

4-season sleeping mat - Neoair Xtherm NXT Neptune - Therm-A-Rest - 2026

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CHF 292.90
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Neoair Xtherm Nxt Neptune
From
CHF 249.50
-15%
CHF 292.90
univers marques
Not subject to promotional offers
return 60 days to change your mind
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Get CHF 4.99 off your next order.
Description

The Neoair Xtherm NXT Neptune from the brand Therm-A-Rest is a self-inflating mattress designed for all-seasoncamping, offering exceptional thermal insulation thanks to its R-value of 7.3.

This air mattress combines lightness and compactness, weighing just 440 g and packing down to an ultra-compressible size of 23 x 11 cm, making it ideal for adventurers who are mindful of the weight of their kit. Triangular CoreMatrix™Its stable surface is ensured by the technology, which uses two layers of triangular partitions to minimise heat loss whilst providing firm, long-lasting comfort. This innovative ThermaCapture™ layer reflects body heat, providing reinforcement for insulation without adding weight.

The mattress features an unidirectional Winglock™ valve that makes it quick and easy to inflate and deflate, cleverly positioned away from the sleeping surface for added comfort. Its ergonomic shape and generous dimensions (51 x 183 cm) provide an optimized sleeping area. The manufacture uses 30D ripstop nylon on the top and 70D ripstop nylon on the underside, making it soft to the touch, highly abrasion resistant and durable. Free from PFAS and complete with a repair kit, this mattress is a safe and durable choice for your nights in the great outdoors, whatever the conditions.

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The NeoAir Xtherm NXT Neptune from Therm-A-Rest is a warm mattress that's perfect for keeping you comfortable in the great outdoors, whatever the season.

This comfortable and resistant 7.6cm thick mattress is an excellent compromise between extreme lightness and ultimate comfort. Once rolled up, it's as small as a one-litre water bottle and easy to carry. The ThermaCapture™ layer in the Triangular CoreMatrix™ structure provides lightness and excellent warmth as well as an R Value of 7.3. You won't have to worry about punctures, thanks to 70D Ripstop nylon that can withstand extreme conditions.

The one-way valve WingLock™The reliable one-way valve is easy to use, even in sub-zero temperatures, so you'll be up and running in no time. Finally, this model comes with an inflation bag , a storage bag and a repair kit, so you'll have everything you need at hand in case the unexpected happens!

Neoair Xtherm Nxt Neptune
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Technical details
R-value
7.3000, 7.3
Manufacturing
Europe
Mattress shape
Ergonomic
Overview
Brand
ThermarestThermarest-logo
Warranty
2
Year
2026
Season
Spring
Gender
Unisex
Product details
Dimensions (cm)
51 x 183 cm
Thickness (cm)
7.6
Weight (g)
440
Technical details
Mattress material
Polyester
Compactible
Yes
Insulation
Yes
Self-inflating
No
Air mattress
Yes
Other features

- A stable surface to minimise heat loss
- Thermal insulation
- Valve Winglock™ for quick inflation and deflation
- Inflation bag, storage bags and repair kit included
- PFAS-free

Composition :
- Outer material: 30D ripstop Nylon
- Bottom material: 70D ripstop Nylon
- Insulation : Polyurethane

Size table:

Regular Regular Wide Large
Length 183 cm 183 cm 196 cm
Width 51 cm 64 cm 64 cm
Dimensions when folded 23 x 11 cm 28 x 13 cm 28 x 13 cm
weight 440 g 540 g 570 g



ThermaCapture™ An innovative, patented material that reflects heat radiation and minimises heat loss without adding extra weight or bulk.
Triangular CoreMatrix™ This technology uses two superimposed layers of triangular partitions to create a stable surface whilst minimising heat loss.
valve Winglock™ Positioned away from the sleeping surface for maximum convenience, the high-flow WingLock™ unidirectional valves make inflating and deflating a breeze.
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- Uses: 4 seasons
- Stable surface to limit heat loss
- Rectangular shape offers more space
- Thermal insulation
- Winglock™ valve for rapid inflation and deflation
- Inflator bag, storage bag and repair kit included
- PFAS-free

Materials:
- Upper material : Ripstop Nylon 30 D
- Bottom material : Ripstop Nylon 70 D
- Insulation: Polyurethane


Table of sizes :

Regular Regular Wide Large
Length 183cm 183cm 196cm
Width 51cm 64cm 64cm
Dimensions folded 23 x 11 cm 28 x 13 cm 28 x 13 cm
Weight 440g 540g 570g



ThermaCapture™ An innovative patented material that reflects heat radiation and minimises losses without adding weight or volume.
Triangular CoreMatrix™ This technology uses two superimposed layers of triangular partitions to create a stable surface while minimising heat loss.
Valve Winglock™ Located outside the sleeping surface for maximum utility, the high-flow one-way valves WingLock™ make inflation and deflation child's play.

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