Exped SIM Lite 3.8 M Self-Inflating Sleeping Mat

The Exped SIM Lite 3.8 M is a lightweight, self-inflating sleeping mat designed for three-season backpacking and camping. With an R-Value of 3.2, it provides excellent insulation and comfort down to -5 °C (23 °F). The mat features a rectangular shape, 3.8 cm thickness, and durable 75 D polyester fabric with TPU film laminate on both sides. It includes the Exped FlatValve for easy inflation and deflation, and comes with a stuff sack and repair kit.

Advantages

Self-inflating open-cell PU foam core ensures quick setup and reliable comfort. Compact packed size (27 x 13 cm) makes it easy to carry. Oeko-Tex certified materials guarantee safety and environmental responsibility.

Suitable for

• Backpacking
• Camping
• Hiking
• Three-season outdoor adventures

Key specifications

• R-Value: 3.2
• Temperature Rating: -5 °C (23 °F)
• Thickness: 3.8 cm (1.5 in)
• Dimensions: 183 x 50 cm (72 x 20 in)
• Packed Size: 27 x 13 cm (10.6 x 5.1 in)
• Weight: 520 g (1.15 lb)
• Shape: Rectangular
• Top and Bottom Fabric: 75 D Polyester, TPU film laminate
• Insulation: Open-cell PU foam
• Valve: Exped FlatValve
• Season Rating: 3-Season
• Included: Stuff sack, Repair kit
• Oeko-Tex Certified: Yes

Recommendations

For optimal comfort and insulation, pair with a sleeping bag rated for similar temperatures. Store the mat unrolled and partially inflated to maintain foam performance.