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.

• Cut: Athletic Fit
• 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
• Weight: 181 g
• Main material: 90% Polyester (recycled), 1% Polyester, 9% Spandex

Mammut Item Number 1014-05521