Therm-a-Rest RidgeRest Classic Sleeping Mat - Regular


Item #: 331889609

The original returns, delivering the most basic level of backpacking comfort. Virtually indestructible, the RidgeRest® Classic mattress is a revival of the original. Using the most durable foam this mattress is sure to last many a year, delivering exceptional value to campers looking for basic comfort.

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


  • Light & Durable: Virtually indestructible and light enough to carry anywhere.
  • Unique Design: Supportive peaks and heat-trapping valleys provide essential comfort


  • Dimensions: 72" L x 20" W x 0.625" H (183cm x 51cm x 1.5cm)
  • Weight: 400g (14oz)
  • R-Value: 2.6
  • Packed Size: 20" x 8" (51cm x 20cm)

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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