The opinion of Aventure Nordique
The Sim Ultra 3.8 from Exped is a self-inflating mattress designed for use in 3 or even 4 seasons. High-performance and lightweight, it is manufactured on the inside with horizontal and vertical channels incorporated into the foam to reduce the weight of the mattress.
This mattress has 2 flat inflation/deflation valves that do not protrude from the mattress.
The Sim Ultra 3.8 has an R-Value of 3.7 according to the new ASTM F3340-18 standard, making it suitable for use from spring to autumn and beyond. Minimum operating temperature: -10°C.
Technical details
| Manufacturer | Exped |
|---|---|
| Product name | Sim Ultra 3.8 |
| Season | 3 season |
| Type | Self-inflating |
| Form | Rectangular |
| R-Value | 3.7 |
| Material |
|
| Colour | Green |
| Length | M : 183 cm - LW : 197 cm |
| Width | M : 50 cm - LW : 65 cm |
| Thickness | 3,8 cm |
| Folded | M : 27 x 17 cm - LW : 33 x 16 cm |
| Weight | M : 665 g - LW : 840 g |
| Accessories | Repair Kit, Storage bag |
| Warranty | 5 years |
| Country of Manufacture | Taiwan |
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