Forclaz Trek500 Backpacking, Self Inflating, Insulated Camping Sleeping Pad, Gray, 1.8 lbs, 70.9" x 20.5" Large

• Decathlon Forclaz Trek500 Backpacking, Self Inflating, Insulated Camping Sleeping Pad, Gray, 1.8 lbs, 70.9" x 20.5" Large

Easy to transport

• Weighs 1.8 lbs. 
• Volume: 7 liters. 
• 6.9" x 13". Carry bag. 

Sleeping comfort 

• Dimensions 70.9" x 20.5" x 1". 
• Thermal insulation. Extra large self-inflating.
• Warmth: 2 to 3 seasons of use (>5). R-Value standard ASTM F3340-18: 2.7.
• Since the beginning of 2020, a new standard has been validated to assess the level of insulation of your mattress, standard ASTM F3340-18. This standard measures the capacity of the mattress to retain or return body heat to avoid its loss and therefore provide you with thermal comfort. Thermal insulation is provided by the foam. R-Value standard ASTM F3340-18 mattress Trek 500 self-inflating: 2.7 (measured by an independent laboratory).

Easy assembly/dismantling

• Self-inflating. Bi-valve effective and non-return. Adjustable comfort.
• The sleep comfort, also called "postural comfort," of our mattresses is defined by our R&D center. All our mattresses are subjected to mechanical tests to assess their performance and durability and ensure you enjoy a good night's sleep and an excellent recovery. We also carry out numerous field tests in real-life conditions. Postural comfort is an extremely personal thing. You can adjust the pressure of your mattress.
• The R-Value expresses the thermal performance and resistance of the mattress. The higher the R-Value, the more the mattress insulates you from the cold ground. R-value from 0 to 1.9 mattress designed for use in the warm season (summer) only from 2 to 3 mattress designed for use in 2 or 3 seasons (spring/summer/autumn)  from 3 to 4:4 season mattress, winter use possible higher than 4.5 winter use and extreme conditions.

Traction

• Anti-slip silicone pads limit slippage of the sleeping bag.
• A self-inflating mattress consists of an airtight envelope glued to an open cell foam in which the air circulates. When you unfold the mattress, it will return to its original shape and thickness (1" for the Trek 500 mattress) and fill with air accordingly. However, it requires some mouth inflation so you can adjust it to the pressure level suitable for you. Self-inflation is more or less noticeable depending on the thickness of the mattress.

Product Advice

• When using your mattress for the 1st time, unroll it, open the valve for 24 hours on a flat surface, then inflate it and leave it for 24 hours, valve closed, under pressure. Then you can store it away again. While backpacking, take out and unroll your mattress as soon as you set up camp, and valve open to facilitate pre-inflation. A self-inflating mattress inflates to about 60 to 70% on its own. You will need to blow up the rest yourself so you can adjust the pressure to your desired comfort level.