Rab
Stratosphere 4 Sleep Mat
When you need reliable insulation in a lightweight package, this all-round sleep mat balances maximum warmth with minimum weight for a comfortable night’s rest wherever your journey takes you.
Stratus™ R insulation traps air and reduces heat loss from convective currents
R-Value: 3.8
Thickness: 8cm
Lightweight construction and insulation for superb warmth-to-weight ratio and minimal pack size.
Oversized outer chambers helps keep you centralised on the mat
Hybrid rectangular shape allows various comfortable sleeping positions
Low profile two-way valve for easy inflation and deflation
Pump sack included for rapid and hygienic inflation
Roll-away stuff sack with repair kit included
Dimensions: Regular 183x51cm. Large 196x64cm
Packed Size: Regular 24x12cm. Large 30x15cm
Weight
Regular 695g / 24.5oz. Regular Wide 840g / 29.6oz. Long Wide 950g / 33.5oz
Insulation
Stratus™ R 100% recycled polyester 160gsm insulation
Main fabric
75D Recycled Polyester outer fabric with internal TPU Coating and fluorocarbon free DWR
Dimensions
Regular: 183cm x 51cm x 8cm. Regular Wide: 183cm x 64cm x 8cm. Long Wide: 196cm x 64cm x 8cm
R-value
3.8
Packed size
Regular 24cm x 12cm (9.4in x 4.7in). Regular Wide 30cm x 14cm (11.8in x 5.5in). Long Wide 30cm x 15cm (11.8in x 5.9in)
Product code
QMA-05
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Frequently Asked Questions
For more information view our FAQ page
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Free shipping on orders over $99 (oversize charges may apply) - Read our shipping policy for more information.
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Standard shipping estimates are as follows:
Alberta and British Columbia: 2-4 business days
Saskatchewan and Manitoba: 3 - 4 business days
All other provinces and territories: 5 - 9 business days
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We offer fast & easy returns on most products. Exceptions include products 30% off or more, climbing gear, underwear & more.
Read our return policy here.


Premium gear is our promise
We were established almost 75 years ago by John Monod, a Swiss mountain guide and ski instructor. Quality outdoor gear is what our brand was built upon since 1949.