KSB 0 Large Sleeping Bag - Orange/Grey. For the coldest nights: A bag you can trust to get you through single-digit nights. The KSB 0's 650 fill power down top and synthetic fill bottom provides an exceptional warmth-to-weight ratio. When the temperature drops below freezing and into single digits, you need a bag that eliminates excessive air pockets to achieve lasting warmth through the night. Flexible Stretch Baffles keep fill next to your body and stretch when you move, while Length Locks allow you to adjust the bag to your height, creating a comfortable cocoon of fill around your feet. Additionally, anti-snag, two-way YKK zipper opens from the bottom or top to easily control the flow of air. Features: 650 fill power down top and synthetic fill bottom provides exceptional warmth-to-weight ratio Anti-snag, two-way YKK zipper opens from the bottom or top to easily control the flow of air Built-out foot box for plenty of comfort where it's needed most Mummy hood with draft collar and draw cord reduces draft Packs down small with included compression sack Stash pocket located inside bag for easy access Warm in any season Innovative dual-fill keeps you warm from head to toe Specifications: Weight: 3.9 lbs / 1.8 kg Temperature Rating: 0 F / -18 C Dimensions: 82 x 30 in / 208 x 76 cm Pack Dimensions: 16 x 9.5 x 9.5 in / 41 x 24 x 24 cm Fill Power: 650 FP Insulation Type: 80/20 Grey Duck Down (TOP) // Synthetic (BOTTOM) Shoulder Girth: 58 in Shell Material: 20D Nylon 400T (WRC6) Klymit KSB 0 Large Sleeping Bag - Orange/Grey