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Big Agnes 2020 Insulated Air Core Ultra Regular Sleeping Mat

ASTM R-Value: 4.5 / Dimensions: 183 x 51 x 9cm / Packed Size: 8 x 20cm
Weighs 632g (excluding bag)
Code: SS206514
  • Now £82.99
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Designed with a smooth sleeping surface, larger outside tubes and high-volume valve for quick inflation and deflation, the 3-season Big Agnes Air Core Ultra Pad packs fast, light and small.  

Big Agnes says:

Like the Air Core Ultra, the Insulated Air Core Ultra offers unparalleled comfort at an incredible price. This light and compact three-season insulated pad has been completely redesigned from the inside out and R-Value rated by a third party. Designed with a smooth and stable sleeping surface made with durable nylon rip-stop and larger outside tubes to cradle you on top. Warm and highly packable insulation on top and bottom make this air pad lighter on your pack than most in its class. Save your breath for the adventure ahead, and use the included upcycled pad inflation sack to inflate.

The updated version of the lightweight, compact Big Agnes 2020 Insulated Air Core Ultra inflatable sleeping pad is ideal for lightweight backpacking. Designed for 3 season use, the pad features a layer of WRM HL insulation on the top and bottom. This durable, high-loft synthetic insulation provides exceptional warmth with minimal weight and bulk.

Durable I-beam construction provides stability while reducing weight and bulk. The outer chambers of the Air Core Ultra are bigger than in the original Air Core, which will keep you cradled in the middle so you don't roll off in the night. All the latest pads from Big Agnes have received an updated air valve for easy one-way inflation and convenient, super-fast deflation.

- Reviewed by BasecampGear

  • 3.25” thick pad with 3.50” larger outer chambers keep you comfortably cradled in the middle of the pad
  • High volume valves with micro adjustments make for fast inflation/deflation and easy fine tuning to your preferred firmness
  • Antimicrobial treatment inside the pad prevents microorganism growth
  • Protective storage sack, replacement valve seal and 3M repair patches included
  • Individually inflated and tested at our factory ensuring 100% quality performance
  • Pad Inflation Sack made from upcycled excess pad material included. (Color will vary depending on excess material)
  • When sleeping on frozen ground or snow we recommend adding a closed cell foam pad
SpecificationConstruction + Materials
  • Weight: 632g (excludes inflation sack & storage bag)
  • Inflation sack weighs: 106g
  • Dimensions: 20" x 72" / 51 x 183 cm
  • Thickness: 9cm (outer), 8cm (inner)
  • Packed size: 10 x 20cm
  • ASTM R-Value: 4.5
  • Durable, lightweight nylon double rip-stop fabric
  • THERMOLITE® Insulation working with a heat reflective film traps body heat and reflects it back at you to prevent heat loss
  • Proprietary I-Beam construction reduces weight and provides consistent stability and comfort
  • Aviation grade TPU lamination technology for weld strength and ultimate dependability

ASTM R-Value:

From 2020, there is a new industry standard for measuring the R-value (level of insulation) of sleeping mats – ASTM F3340-18. This new standard is the sleeping mat equivalent to the EN rating for sleeping bags.

You can now directly compare the R-value of mats rated using the ASTM F3340-18 with confidence that is a fair and accurate comparison between mats. In simple terms, the higher the R-value, the warmer the mat.

In general terms, an R-value below 2.0 is for summer use, 2.0 to 4.0 is for cooler 3 season use and 4.0+ is for winter temperatures. This will be also be dependent on your sleeping bag, how cold you sleep etc. Please contact our customer service team if you need advice on choosing the right mat for your activity.

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