From morning's first frosty steps to midday sweat and exhilaration, the men's REI Co-op lightweight base layer bottoms wick and breathe to keep you comfortable all the way.
- Made of a soft, snag-resistant polyester blend that wicks sweat and dries fast to keep you warm in winter and cool as the season turns to spring
- Spandex in the fabric provides 4-way stretch for ease of movement
- Flatseam construction and low-profile waistband and crotch gusset keep you comfortable as you move
- UPF 50 sun protection
- Fly opening
- Ankle-length inseam
- Semifitted
