This reliable, self-inflating sleep mat is built with an insulating X-Core™ foam filling to give you a comfortable night’s rest. Perfect for regular camping and overnight adventures.
If you’re looking for comfort, durability and ease of use, our self-inflating Exosphere 3.5 sleep mat is ideal. Its X-Core™ foam filling is supportive and insulating, ensuring you get a rejuvenating night ready for tomorrow’s adventures. This foam uses X-core technology which is a 3 dimensional weight relieved structure. This saves weight and reduces pack size, but also traps air to boost warmth and contributes towards the mats R-value of 3.4, while the rectangular shape supports a range of sleeping positions. The low-profile two-way valve allows for rapid inflation when the weather is threatening, and easy deflation when you’re ready to roll the mat away into its stuff sack.
Made from recycled polyester with a fluorocarbon-free DWR, the Exosphere 3.5’s outer fabric is hardwearing yet with a comfortable next-to-skin feel. This versatile and dependable sleep mat is ideal for a variety of uses, and is the perfect place for you to recharge and make tomorrow count.
R-Value: 3.6
Your sleep mat’s R-value is an indication of how well it will resist heat loss. A higher R-value means it will insulate you more effectively from the ground underneath, and will be better suited to cold environments.
X-Core™ Foam Technology
The self-inflating X-Core™ foam system makes setting up camp straightforward. Supportive and comfortable, it has a honeycomb-like structure that saves weight while boosting warmth by trapping and stabilising air, to insulate you from cold ground.
Fluorocarbon-Free Product
This product no longer contains fluorocarbons. Whether that’s in a DWR, on the zips, the threads or in the fabric. Find out more about how we’re cutting fluorocarbons from our gear.