The Rab Ionosphere 5.5 Sleeping Mat uses ground breaking insulation technology to trap air, reflect heat and reduce heat-loss through convection. The Stratus R insulation is 100% recycled and build to keep you protected from the freeze. The Ionosphere 5.5 offers unrivalled comfort for alpinists and mountaineers looking to take on the world's toughest conditions.
Established in 1977
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