Thermarest Basecamp X-Large

If you want to go car camping or base camping in the frontcountry, introduce yourself to the luxurious and roomy BaseCamp sleeping pad.  This warm and comfy pad features 2 inches (5 cm) of premium self-inflating foam, offering campers a 6.0 R-value for better nights under the stars.  Thoughtful face fabrics are light and soft for your comfort.  The versatile self-inflating pad features the high-performance WingLock valve, which has three times the airflow rate of the classic valve thanks to a larger opening and one-way inflation.


  • Thoughtful Fabric: Light, soft fabrics make this mattress exceptionally comfortable.
  • Thick: 2 inches (5 cm) of thickness provides a high level of warmth and support.
  • Premium Self-Inflating Foam: Solid foam creates a warmer and more stable BaseCamp. Compressible foam core expands when unpacked for easy self-inflation.
  • Durable: Sturdy, classic design provides an outstanding value.
  • WingLock Valve: This intuitive and dependable valve maximizes air flow for easier inflation and quicker deflation. Wings toggle for one-way inflation to save breath.
  • Stuff sack included.
Minimum Weight 4 lb 0 oz / 1.82 kg
Packed Size 31.0 x 7.5 in dia / 79 x 19 cm dia
Valve Style WingLock
Climate All-Season
R-Value 6.0
Thickness 2.0 in / 5.0 cm
Dimensions 77 x 30 in / 196 x 76 cm
Shape Rectangular