The men's Kayu™ ultralight down mummy bag, with premium packable 800FP down and aggressive, thermally-efficient patterning, is the new pinnacle bag for ultralight adventures. With careful attention to tailoring of each curve for efficiency and comfort, the contoured hood, shaped footbox, and body-mapped tapered core are designed for ideal fit with no excess or wasted space.
Premium 800 FP down is hydrophobic, PFC-free, and 100% Responsible Down Standard (RDS) certified for traceability and humane treatment throughout the supply chain. Other features include Thermo Gills™ provide temperature regulation, a waterproof/breathable footbox and hood to protect you head to toe from tent wall condensation, and a full-length YKK no-snag zipper.
Pairs with the women's Aya™.
A fabric set of 20D Nylon Ripstop and 30D Nylon Taffeta is ultra-plush for a supreme sleep experience.
Premium 800 FP down is ultra-packable, hydrophobic, PFC-free, and 100% Responsible Down Standard (RDS) Certified for traceability throughout the supply chain.
Thermo Gills™ allow you to vent body heat without letting cold drafts in.
Waterproof and breathable footbox and hood protect against tent wall condensation.
Tailored patterning is designed for optimal thermal efficiency and packability.
Premium down insulation is treated with Nikwax™ for waterproof security on the trail.
Body-mapped tapered core is designed for an ideal fit with no wasted space.
Full-length YKK zipper with snagless baffle construction and draft tube seals warm air in.
What's Included
- Compression stuff sack
- Mesh storage bag
| Capacity |
1 |
| Minimum Weight |
1 lb , 10 oz / 740 g |
| Packed Size |
14.0 x 7.5 in dia / 36 x 19 cm dia |
| Temp Rating |
30F / -1C |
| EN Lower Limit |
31 |
| Fill Type |
Down |
| Fill Weight |
0 lb , 11 oz / 310 g |
| Fits Up To |
6' / 183 cm |
| Shoulder Girth |
62 in / 157 cm |
| Hip Girth |
57 in / 145 cm |
| Knee Girth |
46 in / 117 cm |
| Compressed Volume |
2.99 |
| Shell Fabric |
20D Nylon Ripstop w/ DWR |
| Footbox Fabric |
40D Nylon Ripstop OSMO™ w/ DWR |
| Lining Fabric |
30D Nylon Taffeta w/ DWR |
| Color |
Carbon / Blue Flame |
| Zipper Location |
Left |
| Stuff Sack |
Compression stuff sack, Mesh storage bag |
| Insulation |
800 FP Down |
