Whether you’re tackling a thru-hike or chasing alpine summits, this sleeping mat guarantees a warm, quiet, and restful night’s sleep - wherever you roll it out. 

Featuring Air Sprung Cell™ technology, the Ultralight XR conforms to your body for even support and fewer pressure points, providing superior comfort for side sleepers and active sleepers alike. 

The Ultralight XR Insulated Air Sleeping Mat offers reliable performance in cold conditions with its ThermalCore insulation system, by reflecting body heat back towards the sleeper.  

 

• 14% lighter, 30% thicker, and 16% more insulative than the previous model - making it ideal for fast moving adventures. 
• Air Sprung Cell™ technology provides even weight distribution and eliminates pressure points for superior comfort—ideal for side sleepers. 
• ThermalCore insulation with reflective TRM layer retains warmth and improves R-Value performance by 16%. 
• Hybrid 30D/40D fabric with TPU laminate and Ultrafresh antimicrobial treatment ensures long-term durability and hygiene. 
• Compact packed volume—53% smaller than previous models for easy storage and portability. 
• Includes field-repair kit with self-adhesive patches and a spare valve insert. 
• Compatible with PillowLock™ system to keep your Sea to Summit Aeros Pillow securely in place. 
• Backed by a proven 10-year field durability record for total confidence on any expedition. 

• Dimensions: 183 x 55 x 6.5cm 
• Packed Size: 190 x 10cm 
• Packed Weight: 475g 
• Stuff/Pump Sack Weight: 60g 
• Weight: 415g