• Recall for Skywalker Pro Via Ferrata

    We have identified a potential issue with the locking mechanism of the carabiners used in the Skywalker Pro Via Ferrata and the Skywalker Pro Turn Via Ferrata Sets, sold since 2023. As a result, we have decided to recall all potentially affected products and refund all impacted clients.

    Return your product for a refund

  • Free shipping from $50

    Shipping is free for purchases from $50. For orders below this purchase value, shipping costs of $9.99 will be applied.

  • Updated Data Privacy Policy

    We’d like to let you know that we’ve updated our Privacy Policy, effective 3nd June 2025.
    Your data is valuable to us, and we are committed to protecting it and handling it with care. We encourage you to read the updated policy to stay informed about how we collect, use, and safeguard your information.

    View the updated Privacy Policy here

  1. Clothing
  2. Tops

Lenni Shirt Men

Classic short-sleeved hiking shirt

$69

Steel-black

  • Mammut Lenni Shirt Men - marine-black, S - Marine-black - Thumbnail
  • Mammut Lenni Shirt Men - alpine calamint-lavandin, XXL - Alpine calamint-lavandin - Thumbnail
  • Mammut Lenni Shirt Men - marsh-dark marsh, L - Marsh-dark marsh - Thumbnail
  • Mammut Lenni Shirt Men - glacier blue-marine, S - Glacier blue-marine - Thumbnail
The classic hiking shirt designed for ultimate versatility, the Lenni is an easy choice on short day hikes and long trekking trips alike. The latest iteration of this best-selling shirt delivers all the features you know and love with a new, low-impact material. The high-performance, lightweight...
HeiQ Fresh
  • Lightweight and quick-drying
  • Treated with HeiQ Fresh FFL - a bio-based technology that reduces unpleasant odors
  • Reliable protection from strong sunlight
  • Chest pocket with button
  • Movement fold on back for extra comfort
    • Hiking
    • 1015-01471
    • CutRegular Fit
    • UV protection (UPF)UPF 50+
    • Weight133 g

  • Main material9% Polyester, 91% Polyester (recycled)

  • Mammut Do not use chlorine-based bleach

    Do not use chlorine-based bleach

  • Mammut Do not dry clean or use solvents to remove stains

    Do not dry clean or use solvents to remove stains

  • Mammut Max. ironing temperature (110° C) Take care when steam ironing

    Max. ironing temperature (110° C) Take care when steam ironing

  • Do not iron on prints and decorative elements

  • Mammut Do not tumble dry

    Do not tumble dry

  • Mammut Machine wash on wool/delicates cycle (max. 30° C)

    Machine wash on wool/delicates cycle (max. 30° C)

How was your experience on this page?