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Why we love it

Mammut Womens Aenergy Light ML Half Zip Pull

For unbeatable performance and versatility, our Aenergy Light styles solve for a full range of seasons and pursuits. Combining the right touch of warmth with exceptional wicking and breathability, this ultra-light midlayer doubles as a warm base layer to see you through winter ski tours and summer hikes alike. With a deep half zip for optimal ventilation and a laminated pocket to stash essentials, it’s the perfect choice for all who seek maximum performance at minimal weight.


Key Features & Tech Specs
  • Polyester content made from recycled polyester
  • Long half-length zipper makes it easier to put on and allows rapid ventilation in warm temperatures
  • Bonded chest pocket with zipper
  • Flatlock seams

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Since 1989

Built for adventure

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Whether you’re renting a mountain bike, upgrading your ski gear, or looking for the best local beta, we’re here to make sure you leave with the right gear and the confidence to use it.

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