Quoted specifications
- 01Claimed R-value 4.5, measured 4.4
- 02Weight 354 g in regular size
- 03WingLock valve with pump bag compatibility
- 04Reflective ThermaCapture internal layer
- 05Stuff size 23 x 10 cm
Best for
Three-season backpacking and fastpacking
Therm-a-Rest
Measured R 4.5 within 0.1 of claim in our test — the modern reference for weight-efficient three-season insulation.
Three-season backpacking and fastpacking