Mammut - Eigerjoch Insulation Hybrid Vest - Synthetic vest. Collection: Eiger Extreme|Material type: Synthetic insulation|Fill weight: 95g/m²|Other material information: Mammut Connect; Mammut High Reach|Sustainability: contains Fair Wear certified fabrics|Sustainability: contains RWS certified wool|Closure: full length front zip|Pockets: 2 zipped front pockets|Fit: regular|Extras: elastic hem|Extras: elastic sleeve cuffs|Extras: stand up collar|Sustainability: Fair Wear