Inflatable trekking mattress - MT500 Air Insulating L - 180 x 52 cm - 1 person

Thanks to its R-Value of 3.3, this mattress is perfectly suited for 3-seasonuse. Its weight remains the same (615 g mattress only). And the pouch turnsinto a pump bag! **Key benefits:** * Easy transport: Total weight 670 g (mattress only 615 g). Volume: 3,4 litres. * Sleeping comfort: Dimensions 180 cm x 52 cm x 5 cm. Adjustable pressure by pressing the IN valve * Thermal insulation: Usable in 3 seasons. R-Value 3.3 according to standard ASTM F3340-18 * Easy assembly / dismantling: Inflate with the built-in pump bag.Bi-valve:IN with anti-blowback * OUT to deflate * Traction: Anti-slip silicon pads. Limits the sleeping bag from sliding**Technical information:**How to choose the size of your MT500 mattress: This model is available in Land XL version. The difference between the 2 sizes on the length (180 cm forthe L; 195 Cm for the XL) and width (52 cm for size L; 60 cm for the XL). Tochoose the mattress that best suits you, you must consider your stature, butnot just that. Your preference and/or your preference for space around yourshoulders should also be considered. So, even if you are 1.75 cm, you willprefer the XL! ; How to inflate your MT500 Air insulating mattress: To preventmoisture from being blown into the mattress, we recommend that you use thepump bag in the pouch. To do this, unroll the entire pump bag/pouch. Connectthe valve of the pump bag to the "IN" valve of your mattress. Blow to about10-20cm from the inlet of the pump bag, to inflate the main volume as much aspossible. Roll the bag on itself to the valve to push the air out of the mainbag into your mattress. ; A tip for sleeping properly on the MT500 Airinsulating mattress: Once you are lying down, remember to adjust the inflationpressure of the mattress by slightly pressing the IN valve (open cap). Amattress that is too hard is often synonymous with discomfort. Siliconepatches on the top of the mattress are designed to reduce the sliding of yoursleeping bag on the mattress. ; How to repair a leak on your MT500 Airinsulating mattress: An inflatable mattress is not puncture-proof, but it canbe repaired! When using it, take every care when installing and handling it.In the event of a problem, we recommend using self-adhesive repair patches(ref: 8557113). For more information, copy the following link into yourbrowser: forclaz.co.uk ; What is the R-Value? : The R-Value is ameasure of the thermal insulation. It measures the ability of a mattress toretain or prevent heat from escaping from a warm body (human body) to a coldfloor. The higher the R-Value, the better the insulation of the mattress.Please note that the R-Values can be added; this means that you can use twomattresses and add their R-Values. All our mattresses are tested to standardASTM F3340-18.