REI Co-op Everyday Briefs - Men's
4.9 (112) In stock
![](https://www.rei.com/media/9de8859c-138b-41da-a4c8-66fcd8731996.jpg?size=576x768)
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Our outdoor expertise doesn't stop at zip-off pants. The men's REI Co-op Everyday briefs are built to run trails and traverse mountains—or sit super comfortably while you plan those things.
![](https://imgix.bustle.com/uploads/image/2022/4/19/e06f7724-f611-4d87-949f-277bc0492114-rei.jpeg?w=330&h=246&fit=crop&crop=faces&auto=format%2Ccompress)
The 7 best men's underwear for hiking the Appalachian Trail
![](https://www.rei.com/media/95a3a17d-93d7-486c-9841-f5b0ababe8ef.jpg?size=576x768)
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