Thermarest's Prolite and Prolite Plus series of self inflating mats offer comfort and insulation with new foam technology keeping weight and packsize to a minimum.
Thermarest says: Updated - Now featuring our exclusive Atmos Foam to further reduce weight and boost compressibility, the Women’s ProLite is the lightest and most compact three-season mattress available.
Self-inflation keeps set-up super-easy and its specially patterned diagonally cut air channels add warmth in the hips, torso and foot area for cold sleepers. It’s ideal for high-mileage, high-speed journeys where every gram counts. Stuff sack included.
Diagonally Die-cut Foams
Pioneered by Therm-a-Rest, this technology works on the same principal as our vertically die-cut foams, lowering overall mattress density to reduce weight and increase packability. However, cut at an angle, these die-cuts decrease the direct, vertical flow of air between the ground and the top of the mattress, resulting in warmer mattress with similar weight and compressibility benefits.
Thermal Foam is our proprietary, solid-core foam. While it may look like just foam, we have spent decades working closely with our supplier, evolving this most basic element of our self-inflating pads. The resulting foam is made in the USA, and optimized for the best balance of light weight, lasting durability, and uniformity of support.
Pressure mapping involves analyzing detailed, pressure-sensitive measurements of a body on a sleep surface. A “map” is output, representing the pressure intensity with a range of colors. By analyzing the results of multiple sleep positions across both genders, we are able to vary the density of a mattress’s core. We do this in localized areas, varying the number of die-cuts in the foam, to address specific needs of support or softness.
Thermarest's Prolite and Prolite Plus mats are 'self inflating', that is, you open the valve and leave it to slowly suck air into it and inflate. You usually have to add a few breaths by mouth at the end and then close the valve...and sleep.
Self inflating mats have foam sandwiched between two outer fabric layers. The fabric is soft to the touch and quite tough - not all self inflating mats are the same, the Prolite series are a premium product, this is manifested by the high quality outer fabrics which don't slide about the tent as much as others, the foam inside is also high quality that will survive repeated compression cycles and the valve has been tried and tested over many years.
The Prolite Plus mats are thicker than the Prolite - that means they're more comfortable, but also heavier with a smaller packed size.
Whilst not being as comfortable as insulated airbeds self inflating mats are considered to be more durable - and if you do get a puncture you still have a layer of foam to lie on - with airbeds you would have nothing.
- Reviewed by Ultralight Outdoor Gear
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