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Thermarest Prolite Large

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Now featuring Atmos Foam to further reduce weight and boost compressibility, the Thermarest Prolite is the lightest and most compact three-season mattress available. Self-inflation keeps set-up super-easy and its die-cut foam packs small, easily fitting inside the most ultralight packs. It's ideal for high-mileage, high-speed journeys where every gram counts. Stuff sack included.

Atmos Foam

Atmos foam provides outstanding loft while also maximising compressibility and minimising weight. The secret is in the manufacturing process. Foam is typically produced in open containers where chemicals and 'foaming agents' are mixed. This causes a reaction in which air bubbles get captured in the material as it changes from liquid to foam.

Atmos foam goes through the same process but in an atmospherically-controlled chamber, in nearly weightless conditions, netting two key benefits. First, this allows the foam to rise unhindered by the weight of the liquid itself, resulting in a much higher and uniform distribution of air cells, absent of dense areas that can add weight and compromise performance. Second, 100% of the gasses resulting from the reaction can be captured and filtered before it is released into the atmosphere, making this the cleans foaming process in the world. More comfort for you, less harm to the environment for everyone, and it's manufactured in the USA 

Specification

  • Compressed Size: 33 x 11 cm
  • Length: 196cm
  • Manufacturer: Thermarest
  • Temperature: -6 to +16
  • Weight: 660g

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