ThermarestBoost 650 32F / 0C - Sleeping bag

It's a beautiful summer evening, with the soothing sound of a stream in the background and a starry sky as your blanket. In this magical setting, the Therm-a-Rest Boost 650 sleeping bag proves to be your best ally. Thanks to its semi-rectangular shape, you can turn and toss without restriction, while the innovative WarmZip system allows you to transform your sleeping space into a cozy cocoon in the blink of an eye. A real pleasure for all nature lovers, whether they are beginners or seasoned hikers.

The technology behind the Boost 650 is impressive: a 650 fill power that hugs your body and optimizes heat retention. The robust and anti-snag YKK zippers add a touch of security and comfort, preventing any nighttime inconvenience. The 100% recycled nylon fabric is both soft and lightweight, wrapping you in lasting and eco-friendly softness.

No compromise on weight or volume: this sleeping bag is designed to be taken everywhere without weighing down your backpack. Its intelligent distribution of hydrophobic down ensures optimal warmth, even when humidity sets in. Rain or shine, stay warm and ready to face new adventures, with open arms and an open heart for discovery.

• Short - Length: 188 cm / Packed Dimensions: 20 cm x 17 cm / Zip Opening: left / Weight: 800 g

• Short Wide - Length: 188 cm / Packed Dimensions: 20 cm x 17 cm / Zip Opening: left / Weight: 950 g

• Long - Length: 216 cm / Packed Dimensions: 28 cm x 17 cm / Zip Opening: left / Weight: 1,100 g

• Long Wide - Length: 216 cm / Packed Dimensions: 30 cm x 19 cm / Zip Opening: left / Weight: 1,320 g

• Regular - Length: 203 cm / Packed Dimensions: 25 cm x 17 cm / Zip Opening: left / Weight: 950 g

• Regular Wide - Length: 203 cm / Packed Dimensions: 28 cm x 17 cm / Zip Opening: left / Weight: 1,120 g

• Adjustable comfort: enjoy the freedom of movement of the semi-rectangular bag or the cozy warmth of the mummy bag: a simple zipper lets you choose the configuration and temperature that suits you best for a good night's sleep.

• WarmZip™ technology: the centrally located patent-pending zipper reduces the bag's interior space and brings the fill closer to the body for up to 10 F/6 ºC more warmth.

• Multi-use arm openings: adjust the WarmZip system, read your book, play cards, or simply open the hatches to better regulate temperature while staying comfortably wrapped in your sleeping bag.

• Cozy and comfortable: the 650 fill power hydrophobic down certified by RDS is distributed in key areas thanks to our zone fill distribution technology, for optimal thermal efficiency and maximum comfort.

• Environmentally friendly materials: the outer fabric and lining are made from 100% recycled nylon certified by GRS, soft to the touch and coated with a PFAS-free water repellent.

• Sizes for everyone: each size - Short, Regular, Long - is also available in Wide versions: you will find the sleeping bag you want and the size you need.

• Additional features: anti-snag YKK zippers, drawstring hood, zipper protection flap, draft collar with fill, and two-way zipper.

• Comfort temperature: 5 °C

• Limit temperature: 0 °C

• Extreme temperature: -15 °C

• Fill material: 650 Fill Duck PFAS Free Hydrophobic Down, RDS

• Outer materials: 20D 100% Recycled Nylon Rip Stop