Norrona Trollveggen Superlight Down 800 Hooded Jacket - Size M - Everglade colour The Norrøna Trollveggen Superlight Down800 Hood is engineered as the world's lightest down jacket with a hood, specifically designed for mountaineering and high-intensity alpine activities. It features a 10D recycled nylon AeroDownproof face fabric that provides windproof protection while remaining exceptionally breathable. The insulation consists of 800 fill power RDS (Responsible Down Standard) certified goose down, offering a superior warmth-to-weight ratio. Technical specifications include a minimalist athletic fit, an adjustable hood, two hand-warming pockets, and elasticated cuffs. This garment is PFC-free, bluesign approved, and highly packable, making it an ideal insulation layer or standalone piece for weight-conscious expeditions. Weight: 160g. Main Fabric: 100% Recycled Nylon. Insulation: 800 FP RDS Goose Down.