Atop snowy peaks or during a trail run under a starry sky, the Aenergy FL Longsleeve from Mammut is the men's base layer that accompanies you on all your adventures. With its lightweight and breathable design, this base layer is a reliable ally for braving the elements without compromise. Its technical knit ensures optimal moisture-wicking, keeping you dry and comfortable even as the effort intensifies.
The integrated thermal regulation technology helps maintain your body temperature at an optimal level, regardless of external conditions. The discreet seams add extra comfort, preventing irritation, while the quick-drying fabric provides a lasting fresh feel. Much like a trusty hiking companion, it neutralizes odors so you can focus solely on your performance.
To top it off, the Aenergy FL Longsleeve features reflective details that ensure increased visibility during your nighttime escapades. Whether you are a beginner outdoor sports enthusiast or a seasoned expert, this long-sleeve top will quickly become a staple in your sports wardrobe. A friendly tip: never leave without it!
Mesh ventilation zones under the arms and on the back
Offset and smooth merrow seams
HeiQ Fresh treatment - biological technology that limits the formation of unpleasant odors
Quick-drying
Reflective elements
Athletic Fit
Main material: 100% Recycled Polyester
Insert: 100% Recycled Polyester
Bluesign® certified product, Fair Wear Foundation
Weight: 126 g

Nature is our playground and our commitment to the environment is obvious. This is also why we highlight our selection from HardGreen, which makes sustainable, eco-friendly products that help
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BlueSign was conceived right in the mountains, in Switzerland to be precise. This international label adopts a global approach in order to guarantee transparency and traceability within the textile sector. It ensures the absence of substances that ...
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Monitoring and improving working conditions within the textile industry is the primary mission of the Fair Wear Foundation. This is an independent foundation that collaborates with member companies to guarantee decent working conditions, and to ...
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Made from old clothing, plastic bottles or fishing nets, products bearing this label contain at least 20% recycled materials. This saves water and energy, as well as raw materials, thus reducing the environmental footprint.
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