Decathlon | Insulating Trekking Foam Folding Mattress Trek 100 Grey - One Size

480 g. 195 x 55 x 2 cm. Foam mattress - the longest groundsheet, versatile and insulating (r-value 2.2). 10-year guarantee accordion folding back on itself. key benefits: • abrasion resistance: aluminised film which reduces abrasion. • easy transport: 5 • easy transport: 480 g. 12.4 litre volume. Accordion folding shape. Elastic support. • sleeping comfort: size 195 x 55 x 2 cm. Thick & comfortable with its relief. Thermal insulation. • thermal insulation: 1 • thermal insulation: for temperate env. >5°c. Alu. Coated layer r-value standard astm f3340-18: 2.2 • easy assembly / dismantling: 5 • easy assembly / dismantling: easy accordion folding. Use as a seat, mat, cushion or half-mattress. technical information: volume and folded size: folded size 15 x 14 x 55 cm. Elastic support.12.4 litre volume. Weight including the pack: 480 g density of the foam 30kg/m3. Dual-fabric foam. ; thermal protection and heat: 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 in order to avoid its loss and therefore provide you with thermal comfort. Thermal insulation thanks to the foam. r-value standard astm f3340-18 insulating mattress trek 100 foam: 2.2 (measured by an independent laboratory) ; thermal properties and warmth (2): 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 warm season (summer) only - from 2 to 3: mattress design 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 ; comfortable postural support: sleep ...