Therm-a-Rest Boost 650 -6C review: A luxurious transformer of a sleeping bag

You might know Therm-a-Rest for their mats, but they also make some excellent sleeping bags. Matt Jones finds out if the all-new Therm-a-Rest-Boost 650 -6C lives up to its name.

from Valley and Peak
RRP  £280.50
Therm-a-Rest Boost 650 -6C
  • Not as light or packable as some rivals
  • RRP:£280.50 / $299.95
    Sizes:Short, short wide, reg, reg wide, long and long wide
    Packed size:29 x 21cm
    Weight:1.02kg/2.2lb (short), 1.21kg/2.7lb (regular), 1.4kg/3lb (long), 1.27kg/2.8lb (short wide), 1.52kg/3.3lb (reg wide), 1.74kg/3.8lb (long wide)
    Insulation:650 FP hydrophobic, PFAS-free, RDS-certified duck down
    Materials:20D 100% recycled nylon ripstop
    Temperature rating:Comfort 0°C, limit -6°C