Mammut Aenergy Light ML Hooded Jacket Men's Winter Boots Top Closure: Roll-Top closure system

Top Closure: Roll-Top closure system with side compression straps for vertical compression

Harness system easily adjusts to fit various torso lengths

We’ve removed the waterproof membrane

HL-ElixR™ Eco Micro recycled synthetic insulation blends 3 different fiber types for high loft

Mammut Aenergy Light ML Hooded Jacket Men's Winter Boots Top Closure: Roll-Top closure systemFor 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 snug hood that fits under a helmet and a laminated pocket to stash essentials, its the perfect choice for all who seek maximum