Decathlon - Self-inflating Trekking Mattress - Trek 500 L - Grey - Eu L

Sleep soundly under the stars with the Forclaz Trek 500 L self-inflating trekking mattress. This comfortable and compact mattress features an R-Value of 2.7 for excellent thermal insulation, protecting you from cold ground. Its anti-slip pads prevent your sleeping bag from sliding, ensuring a peaceful night's rest on any adventure. Key benefits: • Easy transport: 3 • Easy transport: Weighs 820g. Volume: 7 litres. Ø 17.5 cm x 33 cm. Carry bag. • Sleeping comfort: 2 • Sleeping comfort: Dimensions 180 x 52 x 3 cm. Thermal insulation. Adjustable comfort. • Warmth: 3 • Warmth: 2 to 3 seasons of use (>5°). R-Value standard ASTM F3340-18: 2,7 • Easy assembly / dismantling: 4 • Easy assembly / dismantling: Self-inflating. Efficient two-way valve with anti-return for easy handling. • Traction: true • Traction: Anti-slip silicon pads. Limits slippage of the sleeping bag. Technical information: The principle of a self-inflating mattress: 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 (3 cm 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. ; Easy inflation/deflation: When using your mattress for the first 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 trekking, take out and unroll your mattress as soon as you set up camp, 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...