Thermarest DreamTime Large Sleeping Mat

ASTM R-Value: Not Quoted / Dimensions: 63 x 196 x 9cm / Packed Size: 63 x 25cm
Weighs 2912g (excluding bag)
Code: SS18053
  • Now £164.99
  • (FREE UK & EU Delivery)
+ In Stock Now | Usually dispatched within 24 hours

The Thermarest DreamtTime Mat has unmatched comfort in the portable mattress world. A Premium three-layer design including a removable mattress, cushy pillow top, and plush fleece cover set the DreamTime apart from anything else on the market.

Therm-a-Rest says:

DreamTime is back! This tried and true favorite is adored by many for its superior comfort, great stability and ease of inflation. A great pick for skeptics who are looking to ease into the idea of sleeping outdoors, the plush comfort of the DreamTime will get you hooked!

On the outside, a machine washable cover features a soft, microfiber top that makes it easy to brush off pine needles and other debris while providing superior next-to-skin comfort. Inside, is an internal pillow topper with contour-hugging foam providing an additional inch of loft, and a 2.5-in thick self-inflating mattress core, providing the ultimate night's rest away from home. Whether you're decking out the back of a pick-up for a road trip, or just living large on a weekend outdoors, the DreamTime mattress system delivers portable comfort like nothing else.

There's no surprise why Therm-a-Rest have brought the DreamTime mat's back. These Camp & Comfort mattresses offer incomparable softness and warmth, making outdoor experiences more comfortable than ever.

Family campers, car campers, and base campers would pick these mats when waking up refreshed is a priority over size and weight.

- Reviewed by BasecampGear

Help and advice:
Choosing a Sleeping Mat
 R-Value Explained
  • Luxurious 3-Layer System: Self-inflating mattress, foam pillow top and plush fleece cover.
  • Premium Comfort: Foam core offers premium stability, warmth and support.
  • Self-Inflating: Compressible foam core expands to inflate; add just a few breaths for your desired firmness.
  • Modular: Protective cover is removable/washable and interior mattress can be used separately. Mattress core is 2.5in thick with an R-Value of 6.
  • Connect Two: Integrated straps mate with another DreamTime mattress for double-wide luxury.
  • Weighs: 2912g (excluding bag)
  • Dimensions: 63 x 196cm (25 x 77 in)
  • Thickness: 9cm (3.5 in)
  • ASTM R-Value: Not Quoted
  • Old R-Value test: 10 (US), 1.76 (SI units)

ASTM R-Value:

From 2020, there is a new industry standard for measuring the R-value (level of insulation) of sleeping mats – ASTM F3340-18. This new standard is the sleeping mat equivalent to the EN rating for sleeping bags.

You can now directly compare the R-value of mats rated using the ASTM F3340-18 with confidence that is a fair and accurate comparison between mats. In simple terms, the higher the R-value, the warmer the mat.

In general terms, an R-value below 2.0 is for summer use, 2.0 to 4.0 is for cooler 3 season use and 4.0+ is for winter temperatures. This will be also be dependent on your sleeping bag, how cold you sleep etc. Please contact our customer service team if you need advice on choosing the right mat for your activity.

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