Mammut Aenergy Light ML Half Zip Pull Jacket - Men's Black XXL. 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. Specifications for Mammut Aenergy Light ML Half Zip Pull Jacket - Men's: Manufacturer: Mammut Age Group: Adults Apparel Fit: Regular Gender: Male Application: Outdoor Fabric/Material: Polyester Features of Mammut Aenergy Light ML Half Zip Pull Jacket - Men's 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 Package Contents: Mammut Aenergy Light ML Half Zip Pull Jacket - Men's Mammut 1014-05521-0001-117: Aenergy Light ML Half Zip Pull Jacket - Men's Black XXL