THERMAREST sleeping bag BOOST 20F/-6C

Product detailed description

The three-season feather sleeping bag brings the latest innovation with the patented WarmZip™ technology for those who seek everyday adventure.

The spacious rectangular shape when you want it, or the mummy shape when you need it, lightweight and packable Boost 650™ offers the comfort choice for your outdoor experience.

• WarmZip™ Technology

The patented center zipper design allows you to shrink the inner space into a mummy shape, increasing insulation around the sleeper and boosting warmth by up to 6°C. Unzipping allows for a spacious rectangular shape for added comfort.

• Choice of Space and Warmth

Enjoy the freedom of choosing between the spacious rectangular shape or cozy warmth in the mummy shape – select the form and temperature you prefer for a comfortable night’s sleep, simply zip it up.

• Multi-purpose Hand Openings

Read a book, play cards, or simply unzip – all while staying inside the comfort of your sleeping bag. Hand openings provide additional ventilation during warmer nights under the stars.

• Zone Down Insulation

The right amount of impregnated duck down with 650 fill power and hydrophobic treatment, certified by RDS, is distributed in key areas using zone insulation for maximum heat retention and minimal weight.

• Eco-friendly Product

The outer layer and lining are made from 100% recycled nylon with GRS certification, soft to the touch, and coated with a PFAS-free water-repellent finish.

• Wide Range of Sizes

Each size – Small, Regular, Long – is also available in a wider version by unzipping, so you get the sleeping bag exactly the way you want it, and in the perfect size you need.

• Additional Features

YKK zippers with anti-snag protection, adjustable hood, zipper tube, draft collar, and two-way entry zipper. Comes with a compression and storage bag.