Arc'teryx Phase SL Brief Men's

There may be a coolness to the mountains as you lace up your running shoes at the trailhead, but it won't last long. Good thing you thought to pull on the Arc'teryx Men's Phase SL Brief before you left the house. Made from a silkweight fabric, these briefs pull moisture away from your skin to keep you cool and dry whether you're just starting your run or you're powering through the last mile after hours on the trail.