At the top of a snowy peak or during an autumn walk in the forest, the Tree Wool FL Longsleeve from Mammut is your ultimate ally. A true adventure companion that knows how to stay discreet while offering you unparalleled comfort. The combination of Merino wool and Lyocell works wonders: the wool keeps you warm while regulating temperature, and the Lyocell, made from sustainably sourced wood, adds an eco-conscious touch to your gear.
This Merino Wool Jersey for men is also a true technological marvel. Breathable and quick-drying, it keeps you dry even during intense activities. Its ability to neutralize odors is a significant advantage for extended outings. Its relaxed fit ensures optimal freedom of movement and allows you to effortlessly transition from activity to comfort, all while maintaining a top-notch look.
Whether you're a summit enthusiast or a nature lover, this technical base layer adapts to all situations. It's ready to accompany you on a hike, a bouldering session, or even a coffee with friends. The Tree Wool FL Longsleeve is like your best outdoor friend: reliable, versatile, and always there to warm your heart (and body)!

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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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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