The men's REI Co-op lightweight base layer bottoms wick and breathe to keep you comfortable from the first cold steps of morning to sweaty exhilaration on the trail hours later.
Features
Made of a soft polyester blend that wicks sweat and dries fast to keep you warm in winter and cool in summer
Spandex in the blend gives the fabric 4-way stretch
Flatseam construction and low-profile waistband and crotch gusset keep you comfortable as you move