4 seasonMummy shape - body contour profile for optimum warmth to weight ratioBox wall constructionShark fin foot design - ergonomically shaped foot section allowing you to relax in a natural positionRDS certified natural duck down filling - responsibly sourced, high quality, high performance insulationFill power: 700 cuinShell fabric: 100% nylonLining fabric: 100% nylon2-way YKK auto-lock zip systemConvenient centre zip - easy access and option to partially open when sittingAnti-snag zip guardDouble-sided zip bafflePFC-free water & dirt resistant coatingHeat collar with elastic cord closure - adjustable for a precise fit (minimising draughts and heat loss)Compression stuffsack - small pack size for easy transportationHanger loops - for dryingPack size: 30cm x 22cmDimensions: 220cm x 80cmBody length: 195cmColour: goldWeight: 1.235 kg