The 2015 Backpacker Editors' Choice Award Winning Sonic™ series of sleeping bags are built to put a smile on your face when the cold weather is keeping most people out of the mountains. Nemo has used all the best ingredients of high-end fabrics and 850 fill power down insulation paired with stretch construction at the knees for side sleeping. Thermo Gills™ regulate the internal temperature of the bag by as much as 20° F without letting drafts in.
* Thermo™ Gills allow you to regulate the warmth of the bag on milder nights by as much as 20°F/11°C without letting cold drafts inside.
* Stretch construction at the knees offers extra volume for side sleeping but keeps the bag close to your body for thermal efficiency.
* Oversized Draft Collar
* Insotect Flow™ Vertical Baffles
* Included: Cotton Storage Bag, Drawstring Stuff Sack