Sleep quality

Easy assembly/dismantling

Easy transport

Thermal insulation

Compatibility

Durability

Noise level

Hand wash. Maximum temperature of 40°C.

Do not dry clean.

Do not iron.

Do not tumble dry.

Bleaching excluded.

A new standard was implemented in early 2020 to assess the level of insulation of your mattress: standard ASTM F3340-18. 
This standard measures the mattress’s capacity to retain or return body heat to avoid heat loss and provide you with thermal comfort.
The foam provides thermal insulation.

R-value standard ASTM F3340-18 for self-inflating Ultim Comfort mattress: 8.6 (measured by an independent laboratory)

Thermal properties and warmth All-season use, winter use, suitable for extreme conditions

The R-value expresses the mattress’s thermal performance and resistance. The higher the R-value, the better the mattress insulates you from cold ground.
- R-value from 0 to 1.9: designed for use in the warm season (summer) only
- from 2 to 3: designed for use in 2 to 3 seasons (spring/summer/fall)
- from 3 to 4: all-season mattress, can be used in winter
- higher than 4.5: suitable for winter and extreme conditions

Thermal properties and warmth (continued)

A self-inflating mattress is made of an airtight envelope glued to an open cell foam in which the air circulates. When unfolded, the mattress fills with air, returning to its original shape and thickness (8 cm for the Ultim Comfort). However, you will need to inflate it partially by mouth to adjust the pressure to your liking. Self-inflation is more effective on some mattresses depending on the thickness.

The principle of a self-inflating mattress

Inflated dimensions: 200 x 136 x 8 cm 
Deflated dimensions: 200 x 132 x 3 cm

Dimensions

Unroll your mattress as soon as you set up camp. Leave the valve open to make pre-inflation easier. A self-inflating mattress inflates itself to about 80%. You will need to inflate the rest yourself so you can adjust the pressure to your desired level of comfort.

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Self-Inflating, Camping Mattress 2-Person, Ultim Double Comfort, 200 x 136 cm