• Expected delays: We are upgrading our system

    Important notice: We are currently upgrading our system
    - Shipping: Orders will experience longer shipping times of approximately 10-12 business days.
    - Returns: Expected return processing times of approximately 4 weeks.
    - Warranty/Repairs: Expected processing times of approximately 7 weeks.
    We apologize for any inconvenience and appreciate your understanding.

  • 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.

    • Model is 188cm and wears a size M

    • Model is 188cm and wears a size M

    • Model is 188cm and wears a size M

New Colors Added
  • Model is 188cm and wears a size M

Lenni Shirt Men

Classic short-sleeved hiking shirt

€65

Steel-black

  • Mammut Lenni Shirt Men - steel-black, S - Steel-black - Thumbnail
  • Mammut Lenni Shirt Men - silver sage-strata, S - Silver sage-strata - Thumbnail
  • Mammut Lenni Shirt Men - marine-black, S - Marine-black - Thumbnail
  • Mammut Lenni Shirt Men - glacier blue-marine, S - Glacier blue-marine - Thumbnail
Select size
Longer delivery times of approx. 10-12 days due to system upgrade
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...

Engineered with & certified by

HeiQ Fresh

Features

  • 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
    • Suitable forHiking
    • Item number1015-01471
    • CutRegular Fit
    • UV protection (UPF)UPF 50+
    • Weight133 g

Materials

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

Product care

  • 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)

  • Free shipping from 50 EUR

    Shipping is free for purchases from 50 EUR. For orders below this purchase value, shipping costs of 5.95 EUR will be applied.

  • Return period

    We offer returns within 30 days for full-price items and 14 days for sale items.

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Not sure which size fits best? Take a look at the size chart.

Shipping & Returns

  • Free shipping from 50 EUR

    Shipping is free for purchases from 50 EUR. For orders below this purchase value, shipping costs of 5.95 EUR will be applied.

  • Return period

    We offer returns within 30 days for full-price items and 14 days for sale items.

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