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Norrona Senja Merino Lightweight Socks - Long

Olive Night

Long socks made for trail running.

These socks are designed for trail running by creating quick dry and low friction functionality but can be used for all kinds of outdoor activities.

We are using a combination of 40% Merino wool, 56% polyamide and 4% elastane because we believe this creates the best socks for trail running.

The wool because of its temperature regulation, natural order-resistant properties and its ability to absorb moisture in a good way. The polyamide for its strength, quick dry and is low friction. The elastane for the ability to create stretch, but we want to use as little as possible because of elastane’s moisture absorption.

The 21,5 micron merino wool is GOTS certified.

Key features include: Extra cushioning at the bottom of your feet for increased protection. The arch of the product has been outfitted with a snug premium Merino Wool band that will keep them in place. And both the heel and the toe of the socks have been reinforced for maximum defense against typical sock holes.

The fit is technical.


  • Weight 62 gr.
  • Style no: 5802-23
  • Ankle rib knit
  • Cushion french terry knitted sole and heel
  • Knitted logo
  • Left foot/right foot fit
  • Tight knitted arch panel support