The Fastest Self-Inflating Backpacking Mattress: By combining SpeedValve™ technology with AirFrame™ Construction, Therm-A-Rest has created a backpacking mattress that inflates in a matter of seconds. Plus, thanks to the auto-reversing SpeedValve, the mattress deflates at remarkable speeds. This unprecedented ease-of-use is fused with 2.5 inches of ultra-supportive loft and an R-Value of 1.8, making the Trail King SV a reliable and three-season mattress designed to save you precious time in the backcountry. Stuff sack included.

• Top: 50D print polyester
• Bottom: 75D polyester
• Foam: Urethane Foam
• Supportive Loft: AirFrame™ construction offers 2.5 inches (6.3 cm) of high-loft support.
• Fast Inflation: SpeedValve™ technology combined with self-inflating foam creates swift inflation.
• Faster Deflation: Auto-reversing SpeedValve™ deflates mattress in a flash.
• R-Value: 1.8
• Weight: 1 lbs., 13 oz.
• Measures 20 in. W x 72 in. L x 2.5 in. H
• Packs down to 28 x 17 in.
• Made in USA