- new 2026
Mammut Lenni Men's Long Sleeve Hiking Shirt
The Mammut Lenni hiking shirt for men combines comfort, lightness, and performance on the trails. Designed for day hikes and extended treks alike, it features quick-drying recycled fabric and reliable UV protection.
Mammut Lenni Men's Long Sleeve Hiking Shirt
The Mammut Lenni is a must-have for outdoor enthusiasts. Its regular fit and lightweight fabric ensure optimal freedom of movement, while its eco-friendly design, made from 91% recycled polyester, meets the needs of environmentally conscious adventurers. Whether you're heading out for a short trip or a multi-day trek, this shirt will keep you comfortable and reliable.
Mammut Lenni Men's: a hiking shirt that promises comfort and breathability with every movement
Every detail of the Lenni has been designed to enhance your experience in the field. The ease pleats in the back facilitate your movements, while the quick-drying fabric keeps you cool and dry throughout the day. HeiQ Fresh technology permanently limits unpleasant odors, even during prolonged exertion, so you stay comfortable from morning to night.
Practical features for your excursions
To optimize your outings, the Lenni shirt incorporates several features designed for outdoor living:
- Buttoned chest pocket to safely store your map or passport
- UPF 50+ UV protection to keep you safe on sunny days
- Lightweight and quick-drying for constant comfort
- Easy care thanks to its high-performance, durable fabric
Durability and eco-responsible commitment
Beyond its technical performance, the Lenni shirt reflects a responsible approach. Bluesign® and Fair Wear certified, it prioritizes the use of recycled materials and minimizes environmental impact:
- Main fabric: 91% recycled polyester, 9% polyester
- HeiQ Fresh treatment to limit odors
- Regular fit to reduce material waste
- Lightweight: only 169 g
- Type : Men
- discount : -30%
The brand MAMMUT
Mammut®: Safety, Innovation, and Excellence
Born in the Swiss Alps and built on over 160 years of expertise, Mammut® is a leading brand in mountain activities: mountaineering, climbing, ski touring, trail running, and trekking... From technical ropes to Barryvox® avalanche transceivers, as well as Gore-Tex clothing, backpacks, harnesses, boots, and sleeping bags, Mammut® outfits and equips the mountaineer from head to toe.