Jerven Fjellduken Extreme Mountain Bivvy Bag

Description

🔥 Stay warm, stay wild: The bivvy that outperforms the cold 🏔️

The Jerven Fjellduken Extreme is a premium, military-developed thermal bivvy bag featuring PrimaLoft 170g/m² insulation and a waterproof aluminium-coated outer shell. Measuring 204 x 220 cm when open, it offers exceptional space and versatility, functioning as a poncho, tarp, hammock, or sleeping bag cover. Tested to maintain a +29°C temperature difference in subzero conditions, it’s the ultimate year-round outdoor companion for serious adventurers.