The Exped SIM 3.8 Self-Inflating Mat is an all-round mat that is warm, compact, light and affordable. The 2022 update brings recycled face fabrics, Dual FlatValves for easier handling and a fresh look in terracotta.
All Exped mats in this collection are carbon neutral, with CO2 from manufacturing and shipping measured, reduced and fully offset.
A warm self-inflating camping mat
- R-value 4.6
- Comfort to -15°C
- 3.8cm thick
- Dual FlatValves
- Recycled 75D polyester face fabric
- TPU polyether film laminate, honeycomb embossed
- 12kg/m² open-cell PU foam
- Oeko-Tex 100 certified, DWR free
Size guide
| Size | Dimensions | Packed | Weight |
|---|---|---|---|
| M | 183 x 50 x 3.8cm | 27 x 17.5cm | 870g |
| LW | 197 x 65 x 3.8cm | 35 x 18cm | 1225g |
How to use it
Open the valves and let the foam draw in air, then top up with a few breaths or a pump sack. Close the valves and fine-tune the firmness.
Ideal for
Three-season camping, cold nights, car camping and backpacking.
Inflate it with the Exped Schnozzel Pumpbag, or see the thicker Exped SIM 5 LW. Browse sleeping mats and the full Exped range.
