Mammut Aenergy FL Half Zip Longsleeve

Our lightest first layer impresses with high-tech features and is at the forefront of various sports. The airy, breathable shirt with offset flat seams is so comfortable thanks to body-mapping mesh that you can hardly feel it. The active moisture transport quickly wicks away sweat and ensures an optimal body climate. Additionally, it is quick-drying and odor-resistant, performing well even during the most strenuous ascents. And thanks to reflective elements, you remain visible long after sunset. The half-zip version of our technical long sleeve is a must-have for all outdoor enthusiasts.