Nanga's Rabaima 600 series is built with a Down-filled 15 Denier Ripstop nylon. From a brand that built everything they do around a single sleeping bag design to start, after three decades we think they've got it just about right.

Box baffle construction
STD duck down / 650 Fill
Fill: 80% down, 20% feathers
15D ripstop nylon fabrication
Glow-in-the-dark anti-snag YKK zipper
NANGA life-time warranty
Dimensions 215cm x 80 cm (Single)
Packed Down 40cm x 25 cm
1600 grams
Made in Japan

Nanga are serious about their down sourcing and handling. For more information on what they're up to or how to care for your new sleeping bag check out the information on their site Rabaima Bag S 600 Beige