Exped SIM Lite UL 3.8 - Affordable Lightweight Sleeping Mat

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Self Inflating, Compact, and Super Lightweight.

The SIM Lite UL is the ultra light version of Exped's SIM mats. Lighter in weight and smaller in packed size. An all-round self-inflating mat. Warm, compact, super lightweight and affordable. A fantastic first sleeping mat for anyone. It will be years before you yearn for more out of your mat. 

Key Features Include:

  • Safe: Foam-core mats still provide comfort and insulation even if the mat is punctured.
  • Excellent next-to-skin-comfort and an effective honeycomb slip-resistant pattern embossed onto the face fabric.
  • Separate flat valves for inflation and deflation simplify handling. These are also more durable and protected from damage as they are flat in design and non protruding.
  • Zoning of mat for maximal weight reduction: torso area is lightened with horizontal channels where head and leg areas are additionally vertically hollowed.
  • Warranty of 5 years on materials and workmanship.


  • Temperature: -5 °C, R-Value: 3.20
  • Thickness: 3.8 cm
  • Length: 183 cm
  • Width: 50 cm
  • Weight Mat: 570 g
  • Weight Packsack: 21 g
  • Packed height: 27 cm
  • Packed diameter: 16 cm
  • Pack volume: 5.4 l
  • Product contents: Mat, Packsack, Repair kit, Instruction sheet, Repair manual