UpdatedUpdated for 2013: We updated our BaseCamp™ Therm-a-Rest® mattress with lighter, softer fabrics on the top and bottom to improve its comfort and feel while reducing weight. It’s another enhancement to the straightforward, workhorse design that’s been providing dependable comfort under the stars for over 40 years. Crafted on a foundation of time-tested materials and components, the BaseCamp™ mattress is lightweight, compressible and now softer than ever, making it an even better travel companion. Includes stuff sack.
View our Mattress Comparison Chart
View specs in printer-friendly format| Regular | L | XL | |
| Color | Blue Nights | Blue Nights | Blue Nights |
| R-Value | 5.0 | 5.0 | 5.0 |
| Weight | 2 lbs 6 oz / 1080 g | 3 lbs 3 oz / 1450 g | 3 lbs 11 oz / 1670 g |
| Width | 20 in / 51 cm | 25 in / 63 cm | 30 in / 76 cm |
| Length | 72 in / 183 cm | 77 in / 196 cm | 77 in / 196 cm |
| Thickness | 2 in / 5 cm | 2 in / 5 cm | 2 in / 5 cm |
| Packed dimension | 5.0 X 21 / 13 X 53 | 5.1 X 26 / 13 X 66 | 5.3 X 31 / 13 X 79 |
| Volume | 2880 cu. in | 3850 cu. in | 4620 cu. in |
| Top fabric type | Poly 75d | Poly 75d | Poly 75d |
| Bottom fabric type | Poly 75d | Poly 75d | Poly 75d |
| Core | Expanded PU Foam | Expanded PU Foam | Expanded PU Foam |
| Country of Origin | Made in Seattle, USA | Made in Seattle, USA | Made in Seattle, USA |