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Thermarest NeoAir All Season Medium Mat

R-Value: 0.86 / Dimensions: 168 x 51 x 6.3cm / Packed Size: 12 x 22cm
Weighs 529g
Code: SS14575
  • Now £118.99
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  • RRP £124.99
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Thermarest's NeoAir All Season are rectangular with durable face fabrics and offer mid range insulation within the NeoAir range of mats.

Thermarest says:

Updated for 2014: Lightweight, durable and extremely warm, the NeoAir All Season mattress is the ultimate solution to year-round backcountry comfort. Patent-pending Triangular Core Matrix™ technology creates over 100 insulating cells and multiple ThermaCapture layers capture radiant heat, resulting in an incredibly high R-value without the weight or bulk of conventional insulation.

Durable fabrics and construction give the All Season mattress the strength to stand up to rugged conditions throughout the year, and the ultralight 2.3 oz. Mini Pump – will have you enjoying NeoAir comfort in mere minutes. Stuffsack, NeoAir Mini Pump and repair kit included. Mini Pump batteries (2 AAA) not included.

There are now four models of Thermarest's NeoAir mats available, and each model is available in a range of sizes. They are all very light insulated airbeds, so they are very comfortable compared to other types of mat and they have very small pack sizes. Which model is the right one for you will depend on the level of comfort, durability, insulation value, weight and amount you want to pay.

Even the NeoAir models that offer the least insulation are warm enough for three season use, although a warmer mat means a lighter sleeping bag can be used.

The 'All Season' models are rectangular, which gives you more mat to move around on, and they have durable face fabrics with greater puncture resistance and better long term durability than the super light mats such as the Xlite. The All Season provides mid range insluation compared to the other mats in the NeoAir range.

The 'All Season' models now come with the excellent Minipump included in the box, this is a very small, very lightweight electric inflation pump that works for any NeoAir mattress.

- Reviewed by Ultralight Outdoor Gear


We've tabled the five models of NeoAir mats below, along with the Evolite Hybrid mat, so you can make a high level comparison.

Model (Regular used for reference)WeightR-ValueInsulationFormatPricepointMaterials
NeoAir Xlite350g0.563 SeasonMummyMid PriceUltra lightweight
NeoAir Xtherm430g1.04 SeasonMummyMost ExpensiveUltra lightweight
NeoAir Trekker480g0.533 SeasonRectangleCheapestMore Durable
Evolite*480g0.373 SeasonMummyCheapestMore Durable
NeoAir All Season (includes pump)600g0.863 Season+RectangleMid PriceMore Durable


Read reviews here:      


Help and advice: 
  • Year-Round Warmth: Patent-pending construction uses multiple layers of reflective ThermaCapture technology to trap radiant heat while Triangular Core Matrix construction minimizes convective heat loss – all without the bulk, weight or durability issues of down and synthetic fills.
  • Light and Compact: NeoAir technology allows the All Season mattress to be lighter and more packable than mattresses filled with conventional insulation.
  • Extra Comfort: Stable construction and 2.5-inch thickness offer greater comfort for a full night of sleep.
  • Lasting Performance: The All Season mattress can be inflated directly without the worry of exhaled moisture wetting insulation and decreasing performance.
  • US R-Value: 4.9
  • Weight: 529g
  • Width 51cm
  • Length: 168cm
  • Thickness 6.3cm
  • Packed Dimensions: 22 x 12cm
  • Top Fabric: 75d Polyester Diamond Ripstop
  • Bottom Fabric: 70d Nylon
  • Stuffsack, NeoAir Mini Pump and repair kit included. Mini Pump batteries (2 AAA) not included.
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