View Mammut Eiger Extreme Collection--> The Eigerjoch Light IN Hooded Jacket is a superlight synthetic insulated jacket from Mammut's high-end Eiger Extreme range. Designed for climbing, the Mammut Eigerjoch Light IN Hooded Jacket features a helmet compatible hood and pocket placement that's easily accessed when wearing a harness. Filled with 60g/m2 Primaloft® Gold insulation with Cross Core™ technology for maximum warmth combined with a light weight and it's 90% recycled polyester too. A PFC-free DWR treatment adds to the enviro-credentials. Eigerjoch Light IN Hooded Jacket - Men's