Therm-A-Rest

Boost 650 20F/-6C Sleeping Bag

<p>The Therm-a-Rest Boost 650 combines generous space and efficient warmth so you can tailor your outdoor experience perfectly to your needs. The semi-rectangular shape offers plenty of freedom of movement for side or stomach sleepers. Want more warmth and efficiency? With the WarmZip system, the Boost 650 can be converted into a thermally optimized mummy bag that pulls the down filling around your body and improves the temperature by up to -6&deg;C.</p> <p>Practical arm openings allow you to read in the sleeping bag, grab your things or ventilate yourself, while the two-way side zipper offers additional ventilation. A buffering thermal collar, zipper pull and adjustable hood provide additional comfort and protection from the cold.</p> <p>Despite its versatility and high-quality features, the Boost 650 remains lightweight and compact. The 650-fill down is hydrophobic and specifically distributed to retain heat efficiently, while the recycled nylon shell with PFAS-free DWR coating keeps you dry even when wet.</p>