Therm-a-Rest Boost 650 Sleeping Bag Long 198 cm 0°C/32°F Mead Green

The Therm-a-Rest Boost 650 is a high-performance down sleeping bag designed for backpackers and campers who demand warmth, comfort, and packability. With 650-fill Nikwax Hydrophobic Down RDS insulation, this bag provides excellent thermal efficiency while resisting moisture. The W.A.R.M. (With Additional Room for Multiple positions) shape offers generous space for natural movement, ensuring a comfortable night's sleep. Ideal for three-season use, the Boost 650 is EN ISO certified for reliable temperature ratings.

Advantages

Lightweight and compressible down insulation with water-resistant treatment; roomy W.A.R.M. shape for side sleepers; SynergyLink Connectors integrate with sleeping pads for stability; Toe-asis Foot Warmer provides extra insulation for cold feet; zoned insulation maximizes warmth where needed.

Suitable for

• Backpacking and hiking
• Three-season camping (spring, summer, fall)
• Sleepers who prefer extra room to move

Key specifications

• Temperature Rating (Comfort): 5°C (41°F)
• Temperature Rating (Limit): 0°C (32°F)
• Temperature Rating (Extreme): -15°C (5°F)
• Insulation: 650 Fill Nikwax Hydrophobic Down RDS
• Fill Weight: 650 g (23 oz)
• Max User Height: 198 cm (78 in)
• Shape: W.A.R.M. (With Additional Room for Multiple positions)
• Shell: 20D Ripstop Nylon with DWR
• Liner: 20D Polyester Taffeta
• Packed Dimensions: 23 x 38 cm (9 x 15 in)
• Zipper Side: Left
• Color: Mead Green
• Includes: Compression Stuff Sack, Storage Sack

Recommendations

For optimal comfort, pair with a Therm-a-Rest sleeping pad and use the SynergyLink Connectors to prevent slipping. Store the bag loosely in the storage sack to maintain loft.