If you're looking for comfort. durability and ease of use. the 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. and easy deflation. 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. 

• Self-inflating X-Core™ system is quick and easy to use
  
• X-Core™ Foam Technology with weight saving honeycomb construction boosts warmth. support and comfort
  
• R-Value: 3.6
  
• Thickness: 2 in (5 cm)
  
• Hybrid rectangular shape allows various comfortable sleeping positions
  
• Low profile two-way valve for easy inflation and deflation
  
• Roll-away stuff sack with repair kit included
  
• Dimensions: Regular 72 x 20 in (183 x 51 cm). Long Wide 77 x 25 in (196 x 64 cm)
  
• Weight: Regular 665 g / 23.4 oz. Long Wide 875 g / 30.9 oz
  
• Insulation: X-Core™ Insulation (Polyurethane open cell foam)
  
• Main fabric: 20D Recycled polyester outer fabric with internal TPU coating and fluorocarbon-free DWR
  
• Packed size: Regular 10.2 x 6.7 in (26 x 17 cm) / Long Wide 13 x 7.1 in (33 x 18 cm)