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Mammut Aenergy WB Hooded Jacket - Men's

Take the edge off the windchill in this lightweight and technical windbreaker. Made for everything from summer hikes and alpine climbing to breezy winter ski tours, it packs durability, comfort and breathability into a conveniently tiny package. Offering exactly what you need and not a gram more, its streamlined design includes a helmet-compatible hood, durable stretch forearms, two-way zipper, and secure chest pocket that moonlights as a stuff bag when your jacket’s not in use. A staple for every adventure.


  • YKK Vislon® 2-way zipper for smooth operation
  • Zippered chest pocket
  • The entire jacket can be easily stowed in the chest pocket
  • Highly elasticated double fabric inserts on the inside of the forearms ensure an optimum fit
  • The drawstring on the hem can be adjusted with one hand using a cord that can be stowed on the inside
  • Elasticated cuffs