Robens Fjellguard 60

A comfortable, 6 cm thick mattress, warm enough for temperatures down to -10°C on its own. When it gets colder than this, just add a closed cell foam mattress under it. R value 3.9 (a sure choice for three season use, also capable of light duty winter use, lowest recommended temperature -10°C) Surface fabric 30 denier polyester Stuffsack included MicroTherm Highloft 180g/m² insulation with foam fill Robens Peak Valve When you unpack the mattress and open its valve, it will start to inflate on its own. After some minutes it will have reached its maximum self-inflated state and you can blow a couple of lungfulls of air for optimal firmness. Store opened and flat whenever possible.