• Save up to 40% in our Summer Sale. Shop now!

    Our Summer Sale is here! Enjoy up to 40% off selected clothing, footwear, and equipment. Get set for upcoming adventures.

  • Free shipping from NOK 500

    Shipping is free for purchases from NOK 500. For orders below this purchase value, shipping costs of NOK 99 will be applied.

  • 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.

Alvra Undyed Longsleeve Shirt Men

All-natural, organic flannel 

Kr 979.30Kr 1399–30%

Light brown

  • Mammut Alvra Undyed Longsleeve Shirt Men - light brown, S - Light brown - Thumbnail

Mother Nature’s favorite flannel, this classic button-up feels as great on your conscience as it does on your skin. Made of 100% organic cotton that shows off the natural colors nature provides, this cozy longsleeve is dye-free, chemical-free, and produced with significantly less water. With two chest pockets and adjustable cuffs to round it off, the Alvra Undyed is sure to be a new favorite.

  • Made from 100% undyed organic cotton - 90% less water used in production compared to commercial cotton
  • Two chest pockets with buttons
  • Adjustable cuffs
  • Faux leather logo patch
    • Everyday, Hiking
    • 1015-01300
    • CutRegular Fit
    • Weight315 g

  • Main material100% Organic cotton

  • 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)

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