R-value : 3.6

Foam insulation

Self-inflating

Repair kit included

Exosphere 3.5 Self Inflating Sleep Mat

£110.00

Info
Delivery and returns Delivery
Rab Promise

This reliable, self-inflating sleep mat is built with an insulating foam filling to give you a comfortable night’s rest. Perfect for regular camping and overnight adventures.

R-value : 3.6. Foam insulation. Self-inflating. Repair kit included.

Activities:
Camping
Trekking

Shape:
Rectangular
Size Guide

Weight:
Regular 665g / 23.4oz. Long Wide 875g / 30.9oz

R-value:
3.6

Packed size:
Regular 26cm x 17cm (10.2in x 6.7in) / Long Wide 33cm x 18cm (13in x 7.1in)

This unique guarantee promises to support you before, during and after your adventure, combining gear advice, aftercare services, and our Rab Warranty, to help you get more out of your gear.

For more information, please visit our Rab Promise page.

Features

WeightRegular 665g / 23.4oz. Long Wide 875g / 30.9oz
InsulationX-Core™ Insulation (Polyurethane open cell foam)
Main fabric20D Recycled polyester outer fabric with internal TPU coating and fluorocarbon-free DWR
R-value3.6
Packed sizeRegular 26cm x 17cm (10.2in x 6.7in) / Long Wide 33cm x 18cm (13in x 7.1in)
Product codeQMA-02

If you’re looking for comfort, durability and ease of use, our self-inflating Exosphere 3.5 sleep mat is ideal. Its X-Core™ foam filling is supportive and insulating, ensuring you get a rejuvenating night ready for tomorrow’s adventures. The honeycomb-style foam structure keeps weight to a minimum without compromising on warmth or comfort, while the rectangular shape supports a range of sleeping positions. The low-profile two-way valve allows for rapid inflation when the weather is threatening, and easy deflation when you’re ready to roll the mat away into its stuff sack.

Made from recycled polyester with a fluorocarbon-free DWR, the Exosphere 3.5’s outer fabric is hardwearing yet with a comfortable next-to-skin feel. This versatile and dependable sleep mat is ideal for a variety of uses, and is the perfect place for you to recharge and make tomorrow count.

Self-inflating X-Core™ system is quick and easy to use
X-Core™ Foam Technology with weight saving honeycomb construction boosts warmth, support and comfort
R-Value: 3.6
Thickness: 5cm
Hybrid rectangular shape allows various comfortable sleeping positions
Low profile two-way valve for easy inflation and deflation
Roll-away stuff sack with repair kit included
Dimensions: Regular 183x51cm. Long Wide 196x64cm

Material Facts

Exosphere 3.5 Self Inflating Sleep Mat

	Recycled	PFAS PFAS This column shows where fluorocarbons (PFAS) may still be present in our products. No PFAS means we’ve phased out all intentionally added PFAS from the corresponding component and are compliant with current EU and US legislation.
Total content Total content The total percentage of an item's weight that is recycled.	14%	No
Fabric Fabric Some of our products use multiple fabrics, especially waterproof items. This figure shows the total percentage of an item's fabrics which are recycled, calculated by weight.	29%	No
Outer	28%	No
Second outer	28%	No
Zips Zips This figure includes zipper tape, teeth, sliders, and pullers, showing their total recycled content by weight.	16%	No
Trims Trims This section shows the recycled content by weight for all components added to our products that are not captured in the other categories. For example, cord locks, pocket linings, buttons, cords, size labels, and eyelets.	1%	No
Renewable energy
Product manufacturing	41%
Manufactured in China
*Calculations based upon the weight of a regular length sleeping mat.
QMA-02 Version 03/2024

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We’re helping you to make informed choices by giving you the raw data. Clear. Concise. Honest.

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Tech and features.

Features

WeightRegular 665g / 23.4oz. Long Wide 875g / 30.9oz
InsulationX-Core™ Insulation (Polyurethane open cell foam)
Main fabric20D Recycled polyester outer fabric with internal TPU coating and fluorocarbon-free DWR
R-value3.6
Packed sizeRegular 26cm x 17cm (10.2in x 6.7in) / Long Wide 33cm x 18cm (13in x 7.1in)
Product codeQMA-02

Self-inflating X-Core™ system is quick and easy to use
X-Core™ Foam Technology with weight saving honeycomb construction boosts warmth, support and comfort
R-Value: 3.6
Thickness: 5cm
Hybrid rectangular shape allows various comfortable sleeping positions
Low profile two-way valve for easy inflation and deflation
Roll-away stuff sack with repair kit included
Dimensions: Regular 183x51cm. Long Wide 196x64cm

Performance

Environment use 3/5 Environment use

Sleep comfort 3/5 Sleep comfort

Sustainability features.

Fluorocarbon (PFAS) free fabric

Fluorocarbon (PFAS) free product

Made with renewable energy

Exosphere Sleep Mat

Hear about the tech, fabrics, and features from the team behind the design.

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Exosphere 3.5 Self Inflating Sleep Mat

Activities:

Shape:

Weight:

R-value:

Packed size:

PFAS

Total content

Fabric

Zips

Trims

Material Facts is the way forward.

Tech and features.

Performance

Environment use

Sleep comfort

Sustainability features.

Fluorocarbon (PFAS) free fabric

Fluorocarbon (PFAS) free product

Exosphere Sleep Mat

Hear about the tech, fabrics, and features from the team behind the design.

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Exosphere 3.5 Self Inflating Sleep Mat

Activities:

Shape:

Weight:

R-value:

Packed size:

PFAS

Total content

Fabric

Zips

Trims

Material Facts is the way forward.

Tech and features.

Performance

Environment use

Sleep comfort

Sustainability features.

Fluorocarbon (PFAS) free fabric

Fluorocarbon (PFAS) free product

Exosphere Sleep Mat

Hear about the tech, fabrics, and features from the team behind the design.

Complete the outfit