The SIM 3.8 is one of our classic, self-inflating all-round mats. The foam insulation keeps the cold ground at bay and offers comfort on hard ground. It is compact, lightweight and affordable.
The outer material is recycled. EXPED Flat Valves for easy inflation and deflation.

SPECS:

• Mat Technology: Self Inflating
• Weight: 860g
• Width: 50cm
• R-Value: 4.6
• Thickness: 3.8cm
• Shape: Rectangular
• Packed Dimensions: 26 x 18cm
• Temperature: -15 °C
• Length: 183cm

MATERIAL:

• Top:
  • 75 D polyester
  • TPU polyether film laminate
  • hydrolysis resistant
  • honeycomb embossed
  • Oeko-Tex® 100 certified
  • DWR-free
• Bottom:
  • 75 D polyester
  • TPU polyether film laminate
  • hydrolysis resistant
  • Oeko-Tex® 100 certified
  • DWR-free
• Insulation:
  • 14 kg/m³ PU foam
  • Oeko-Tex® 100 certified