Therm-a-Rest BOOST 650 sleeping bag, morning blue
The three-season down sleeping bag brings cutting-edge innovation in the form of patented WarmZip™ technology for those who love everyday adventure.
A roomy rectangular shape when you want it or a mummy shape when you need it, the lightweight and packable Boost 650™ gives you the choice of comfort in the great outdoors.
- WarmZip™ Technology The patented center zipper design allows the interior of the bag to be reduced to a mummy shape, increasing insulation around the sleeper and increasing warmth by up to 6C. Conversely, by unzipping the zipper, you can obtain a spacious rectangular shape for greater comfort.
- Choice of space and warmth Enjoy the freedom of a spacious rectangular sleeping bag or the cozy warmth of a mummy sleeping bag – choose the shape and temperature that suits you to stay comfortable at night, just zip it up.
- Multi-purpose arm holes Read a book, play cards or simply zip up – you can do it all without leaving the comfort of your sleeping bag. Hand vents offer additional ventilation for warm nights under the stars
- Zonal Down Insulation Ample 650-fill RDS-certified, hydrophobically treated, impregnated duck down is distributed to key areas using zonal insulation to maximize heat retention and minimize overall weight.
- Eco-friendly product The outer layer and lining are made from 100% recycled GRS-certified nylon, which is soft to the touch and coated with a PFAS-free water-repellent coating.
- Large selection of sizes Each size - Small, Regular, Long - is also available in a wider version thanks to the zipper opening, so you get the sleeping bag exactly how you want it and in exactly the size you need.
- Other features YKK anti-snag zippers, adjustable hood, zip puller, roll-up collar and two-way entry zipper. Comes with compression and storage bag.
1021 g (small)
1205 g (regular)
1398 g (long)
1520 g (regular wide)
Filling weight:
565 g (small)
650 g (regular)
733 g (long)
910 g (regular wide)
Maximum character height:
up to 168 cm (small)
up to 183 cm (regular)
up to 198 cm (long)
up to 183 cm (regular wide)
Inner circumference (arms/hips/legs):
160 / 150 / 155 cm (small)
163 / 152 / 155 cm (regular)
165 / 155 / 155 cm (long)
193 / 188 / 155 cm (regular wide)
Temperature range (all versions):
0 °C (Comfort)
-6 °C (Limit)
-23 °C (Extreme)
Dimensions when packed:
24 x 17 cm (small)
32 x 19 cm (regular)
33 x 19 cm (long)
34 x 19 cm (regular width)
Filling:
650-Fill Duck PFAS-Free Hydrophobic Down, RDS
Material:
100% Recycled 20D Nylon Ripstop, DWR
| Sex | Unisex |
| Colour | morning blue |
| Filling | down |
| Temperature determination | three-season |
| Sleeping bag shape | mummy |
| Sport | hiking, camping |
| Sleeping bag weight | 1001 - 1500 g, 1501 - 2000 g |
| product ID | 326543 |
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