Therm-a-Rest Boost 650 Sleeping Bag

The Therm-a-Rest Boost 650 20°F (-6°C) Sleeping Bag is a bag worth trying before buying. It's a warm and lightweight option (~2lbs. 6 oz) for campers and backpackers looking for reliable performance in cooler temperatures. The WarmZip center zipper transforms the shape of the Boost 650 from a semirectangular bag to a thermally efficient mummy bag. Pretty sweet feature. 
The 650-fill-power zoned-insulation down provides excellent insulation in key warmth-retention areas and reduces it where down is less efficient (bottom), all while remaining compressible and easy to pack. Unique zippered arm holes allow for added versatility, letting you stay cozy while using your hands for tasks around camp. The full-length zipper provides ventilation on warmer nights, and the included stuff sack makes it easy to transport. Rent this sleeping bag before buying your next down bag to see the latest tech in cozy and adaptable sleep systems for your next outdoor adventure.