RUNDERWEAR the absolute best underwear for running (men’s brief)

Finding the right support, breathability, and comfort all in one men’s sport brief is a challenge. Most sporting apparel companies have an athletic fitted boxer brief option. RUNDERWEAR has taken comfort to a whole new level.

RUNDERWEAR men’s briefs are made out of super soft fabric that is label free to prevent rubbing and irritation. This underwear is made to log mile after mile with great support and no chaffing.

FIT- These briefs fit well. No hot spots or tight areas where the material is stretched to the max. There are no seams. It all feels like one piece. If you look closely you can see the flat stitching. There are small silicone strips that keep the briefs in place without riding up the crotch. See photo.

this is flipped inside out

BREATHABILITY- This soft seamless fabric is moisture wicking. It has micro perforations in the material to increase airflow. With every stride sweat is pulled away and skin is left air-conditioned.

SUPPORT- Men’s shorts typically have to be tight to provide good support. Not RUNDERWEAR. These have a smooth loose, comfortable feel with perfect support. It sounds like a contradiction. But, that is what is so amazing about RUNDERWEAR. I used these to run the Teton Crest trail 27 miles and then I went to dinner. I did not feel like I needed to hurry and get these off they are excellent for ultra distances.

OVERALL- I tested the 5 inch and 8 inch brief. I praise them both. I like having length options that work well with different running shorts. Of course they have women’s too. Check out all the options @

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About The Author

Gelder Lewis has been snowboarding for more than 30 years. He heard Mark Allen speak at a motivational meeting and wanted to do a triathlon. He decided to get in shape for the winter months so he started doing triathlon. Now he is totally addicted and loves to swim, bike, run year round. Gelder enjoys testing, writing, talking and presenting information about all things gear and how it can enhance the endurance sport experience. Gelder still snowboards until the Greatest Snow on Earth melts each season.