Mountain Equipment - Helium 400 - Down sleeping bag. Design: mummy sleeping bag|Material type: duck down|Fill power: 700+ cuin|Down-to-feather ratio: 90/10 (down to feather)|Fill weight: 403 g|Other material information: Helium 20D outer fabric; Supersoft 20D lining|Sustainability: PFC-free|Sustainability: contains recycled polyamide|Sustainability: contains Down Codex certified down|Closure: side zip|Closure: zip garage|Comfort rating: 0 °C|Lower limit rating: -6 °C|Extreme rating: -24 °C|Season: three seasons|Packed dimensions: 24 cm x 21 cm x 20 cm|Reference size: Regular size|Extras: incl. storage sack|Extras: incl. compression sack|Extras: adjustable hood|Extras: draught collar|Design: Mummy|Season: Three seasons|Comfort rating: 0|Comfort rating grouped: Below +5°C to 0°C|Sustainability: PFC-free|Sustainability: Recycled Material