Allows you to increase the volume of your sleeping bag with a specially designed chamber compatible with Mountain Equipment down sleeping bags with a 140 cm zipper.
- Increasing the volume of your sleeping bag by: 13 cm.
2x YKK® zippers allows you to zip the sleeping bag. connection.- 30g duck down 90/10 s filling 700 cuin.
- 100% recycled surface material HELIUM 20 Dis light, breathable and windproof and treated with PFC-free waterproof DWR treatment.
- 100% recycled Supersoft 20D inner material Treated with PFC-free, waterproof DWR treatment.
- Equipment: ultra-light compression pack.