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Packshot front image of senja light merinoUll short Socks Caviar Black
Packshot front image of senja light merinoUll short Socks Caviar Black
Packshot back image of senja light merinoUll short Socks Caviar Black
Unisex

senja light merinoUll short Socks

NOK 369

Color Caviar Black


Size (Regular Fit)



Free shipping above 1 750 NOK.  Free returns.  5 years warranty. 

Shoe cut 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.






Exterior shot of the ComfySocks building, featuring a wooden facade, windows, and clear blue sky.

Made at Comfysock, Portugal

Working together since
2017
Employees
123
74 women/49 men
Zero co2 plan
Yes
Energy source
20%
Solar panel and green energy
Code of Conduct
Yes
Recycling
Yes
RSL
Yes
Organized in union
No
Social Audit
Yes
2025, announced
HIGG FEM
No
HIGG FSLM
No
Read more
View all factories

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light merinoUll Socks – Caviar Black/Iron Gate
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Product reviews

Rated
4.7
15 reviews
(11)
(3)
(1)
(0)
(0)
Average fit from users
SmallPerfectLarge
Use by reviewer
  • Outdoor/Hiking(9)
  • activities.trail_running(8)
  • Sportswear(5)
  • Mountaineering(2)
  • Mountain biking(1)
Review Summary
Updated October 22, 2026

The Senja light merinoUll short Socks are primarily designed for running, with numerous reviewers highlighting their exceptional performance for both trail and city runs, including ultra-marathons and rocky terrain.

Standout Features:

Blister-Free Performance: A recurring theme is the socks' ability to prevent blisters, even during long-distance runs (e.g., 160km ultra, 15km trail run). This is attributed to the merino wool and stretchy fabric. Temperature Regulation: The merino wool excels at keeping feet warm in cooler conditions and cool in warmer weather, making them versatile for varying summer temperatures. Breathability: Described as "super light and breathable," they are highly effective at managing moisture and preventing overheating. Comfort and Fit: Reviewers consistently praise their comfort, with descriptions like "thight and comfy," "great feel," and "supportive" (especially the white band around the arch/instep). Durability (General): Many users note the "excellent quality" and "above average quality" of the socks.

Common Use-Cases:

Running (Main Activity): Trail running, city running, ultra-marathons, and general running. Hiking: Several reviewers also recommend them for hiking, including light hiking and longer walks (20km). Everyday/Casual Wear: One user even wears them for work and casual use due to their comfort.

Fit and Comfort Level:

The socks are generally described as comfortable, supportive, and true to size. However, one reviewer found them "quite big" even in the smallest size, suggesting a potential sizing inconsistency or that they run slightly large. The "white band around the arch/instep" provides a supportive feel.

Criticisms or Areas for Improvement:

Durability (Specific): One reviewer experienced a tear from a small branch, indicating that while generally good quality, they might not be entirely snag-proof in rugged environments. Sizing: At least one user found the smallest size to be "quite big," suggesting potential issues with sizing for those with smaller feet. Desire for Ankle-High Version: A user who completed a 160km ultra expressed a strong desire for an ankle-high version, indicating a potential market for alternative cuts. Perceived Change in Material/Fit: One long-time customer felt that the current version was not as lightweight or well-fitting as a previous "low cut grey hiking socks" model, suggesting a possible change in material or design that some users might not prefer.

Conclusion:

The Senja light merinoUll short Socks are highly recommended for runners seeking a comfortable, breathable, and blister-free experience across various terrains and temperatures. They are also a solid choice for hikers looking for similar benefits. This product is ideal for individuals who prioritize foot comfort and temperature regulation during active pursuits, particularly those prone to blisters. While generally durable, users should be mindful of potential snags in very dense brush. Those with smaller feet might want to consider trying them on or reviewing the size chart carefully.

6 DAYS AGO
Great for runs  
5
SantifbAndorraOutdoor experience:
I bought it to run on trails and cities. Great performance, super light and breathable
Activities: Trail running, Hiking
Yes, I recommend this product
2 MONTHS AGO
Perfect for cold and warm summer!  
5
Cath.OsloOutdoor experience: Novice
The Senja light merinoUll short Socks keeps me warm in cold summer and chill in warm summer weather!
Activities: Casual, General outdoor
Yes, I recommend this product
2 MONTHS AGO
Excellent running socks  
5
V DiverNorwayOutdoor experience: Advanced
Excellent quality, great for serious running. Not my last pair for sure.
Activities: Trail running, Casual, General outdoor
Yes, I recommend this product
LAST YEAR
Okeyw  
4
Hege.LillestrømOutdoor experience: Advanced
Normalt gode sokker. Over gjennomsnittet kvalitet.
Yes, I recommend this product
LAST YEAR
best run/hiking socks :)  
5
anonymousÅlesundOutdoor experience: Intermediate
GOOD for running and hiking :) I have walked 2o km and no problemos :)
Activities: Hiking, Trail running
Yes, I recommend this product