Therm-a-Rest EvoLite Sleeping Mat - Regular



Item #: 331792426

New for 2015: Self-inflating convenience meets air mattress comfort to create the best new thing in camp mattresses. Air mattress fans rave about ultralight compactness, while self-inflating mattress fans hold fast to stable comfort and convenience. Well, what if you could have both? Enter the all new EvoLite mattress. Its patent-pending AirFrame™ construction combines the ultralight, high-loft comfort and compactness of an air mattress, with the convenience and stabilized comfort and support of self-inflation, creating the next big leap in camp comfort innovation. 2-inches (5 cm) of loft deliver bump-swallowing comfort while our exclusive Atmos™ Foam beams add stability, support and excellent self-inflation performance, leaving just a few breaths to top it to your desired firmness. And of course, it’s ultralight and compact enough to keep it squarely in the realm of those looking to move with a minimum through the backcountry. Stuffsack included

NOTE: Find in Store Inventory levels are continuously changing. Please contact store to confirm availability is as shown.


  • 2” of Loft and Comfort: No other ultralight self-inflating mattress provides this amount of comfort
  • Ultralight, AirFrame™ Construction: Alternating foam and air channels allow us to drastically reduce weight and packed size while amplifying loft
  • Supportive Atmos™ Foam: Our exclusive Atmos foam is poured in an atmospherically-controlled chamber, allowing us precision control over uniformity and loft. The result is the lightest and most compressible foam on the market
  • Self-Inflating Convenience: Excellent self-inflation allows just a few breaths to top off the mattress for optimal firmness


  • Dimensions: 72" L x 20" W x 2" H (183cm x 51cm x 5cm)
  • Weight: 520g (1 lb 2 oz)
  • R-Value: 2.1
  • Packed Size: 7.75" x 4.9" (20cm x 13cm)

Shipping Info:

  • Leaves the warehouse in 1-7 business days depending on order volume.
  • Items may be returned within 60 days of the order date to an Atmosphere retail store or an Atmosphere warehouse. Items must be returned unused/unworn and electronics unopened. See Online Return Policy and Return Instructions for more information.
  • Note: Shipping restrictions may apply based on location and product size.


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