Sea to Summit UltraLight Insulated Sleeping Mat - Regular

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Item #: 331792612

The Ultralight sleeping mat range has a single layer of medium resolution Air Sprung Cells™ to give you the lightest and smallest packed-volume mat without compromising comfort. To add warmth, we use Exkin® Platinum, a quiet non-woven fabric that reflects radiant heat loss back to the user and Thermolite® insulation to prevent convective heat loss between your body and the ground. All Sea to Summit sleeping mats come with a quality stuff sack, a repair kit containing six self adhesive patches for repairing punctures in the field, and a spare silicone one-way valve flap.


  • The UltraLight Insulated Regular is designed with 181 Air Sprung Cells. These revolutionary Air Sprung Cells™ are formed by a matrix of dot welds and function like individual coils in a pocket- sprung mattress for unrivalled support and comfort.
  • Single-chamber design with medium resolution of Air Sprung Cells™ for lightweight: comfort and ease of use.
  • Patent-pending multi-function valve for really fast and easy inflation, deflation and fine tuning of air pressure.
  • 40D rip-stop nylon face fabric offers the right balance between Weight: and durability.
  • The Exkin Platinum® non-woven layer is virtually silent and reflects back radiant heat to the sleeper.
  • Thermolite® insulation prevents air circulation and heat loss due to convection.
  • Unique aeronautical manufacturing technology: liquid-extruded TPU bonds permanently to the shell fabric, virtually eliminating delamination.
  • An anti-microbial treatment is added to the TPU to prevent issues caused by warm, moist air trapped inside the mat.
  • All Sea to Summit sleeping mats come with a quality stuff sack, a repair kit containing six self adhesive patches and a spare silicone one-way valve insert.
  • Inflation with one of Sea to Summit’s optional pumps (Jetstream or Airstream) takes only 30 to 60 seconds; mouth inflation incredibly requires only 8-12 full breaths. Deflation takes moments.


  • Dimensions: 72" L x 21.5" W x 2" H (183 x 55 x 5 cm)
  • Weight: 480g (16.9 oz)
  • R-Value: 3.3
  • # of Air Sprung Cells: 181
  • Packed Size: 4" x 9" (10 x 23 cm)


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