The Eigerjoch IN Hybrid Vest Men from our MAMMUT Eiger Extreme collection. Performance-orientated insulated vest with stretch-fleece inserts for increased freedom of movement and breathability. The lining-free Polartec® Alpha® Direct insulating material offers heat retention without heat build-up. Practical: front pockets with cross-over access.


  • Lightweight, vapor-permeable, wind- and water-repellent Pertex® Quantum Air outer material with Diamond Fuse technology for an ideal balance of weather protection, breathability and abrasion resistance
  • Lining-free Polartec® Alpha® Direct insulating material (95 g) offering heat retention without heat build-up
  • Inserts on the side and back also made from high-quality Pontetorto® Merino Tecnowool® for optimum comfort and a perfect temperature
  • MAMMUT High Reach Technology™ for unrestricted freedom of movement when climbing
  • 2 climbing-harness-compatible front pockets with zippers
  • Partially elastic hem for a better fit



Mammut Eigerjoch hybrid vest