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Rab

Rab Ionosphere 5 | Ultralight Insulated Inflatable Mountain Sleeping Mat

Rab Ionosphere 5 | Ultralight Insulated Inflatable Mountain Sleeping Mat

Regular price €176,00 EUR
Regular price €220,00 EUR Sale price €176,00 EUR
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  • 🚚 Fast delivery: 24–48h or special order (~10 days)
  • 🏔️ Expert mountain advice
  • 🔄 Easy size exchanges
  • 🛡️ Secure purchase with real expert support
  • 📍 Physical store in Madrid (El Rastro)

Technical specifications

Type

Esterilla hinchable aislante

Materials

Tejido 20D ultraligero con refuerzo 30D

Features

Saco de transporte con bomba y kit de reparación

Description

The Rab Ionosphere 5 is an ultralight inflatable sleeping pad designed to offer an optimal balance between weight, insulation, and packability. Intended for trekking, bikepacking, and mountaineering in cold conditions, it combines advanced technologies such as TILT and Stratus™ R to maximize thermal retention.

It is an ideal option for those looking for a lightweight mat with enough insulation to extend its range of use beyond summer.

Real technical performance

The TILT system reflects body heat back to the user, while Stratus™ R insulation reduces heat loss by convection. This allows for thermal comfort to be maintained even in cold conditions without significantly increasing weight.

With an R-Value of 4.8, this sleeping pad offers an excellent compromise between insulation and weight, making it suitable for three seasons and even moderately cold conditions.

Its mummy design reduces bulk and weight, while the valve system allows for quick inflation and deflation in the field.

Quantitative technical specifications

  • Weight: 470 g (Regular)
  • Dimensions: 183 x 51 x 8 cm
  • Long Dimensions: 196 x 64 x 8 cm
  • R-Value: 4.8
  • Thickness: 8 cm
  • Pack size: 23 x 11 cm (Regular)
  • Pack size Long: 28 x 12 cm
  • Product code: QMA-10

Comparison within the range

Compared to lighter models, it offers greater insulation for cold weather use. Compared to more thermal versions, it reduces weight and bulk, making it more versatile for three seasons.

Recommended use

  • Three-season trekking
  • Bikepacking
  • Mountaineering in moderately cold conditions
  • Lightweight traverses

Is it for you?

Yes, if...

  • you are looking for a lightweight sleeping pad with good insulation
  • you need versatility for multiple seasons
  • you want a balance between weight and thermal comfort

No, if...

  • you need extreme insulation for winter
  • you prioritize absolute minimum weight
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