Smartwool Classic All-Season Merino Base Layer Bottom – Men's Color:Black Size up one for best

Size up one for best fit

leather-like finish

Trail to town versatility

A streamlined pack that works from office to trail

Built for women who move between the gym

Smartwool Classic All-Season Merino Base Layer Bottom – Men's Color:Black Size up one for bestWhen your day swings from a cold pre dawn start to sweaty midday miles, this base layer handles both ends without complaint. Merino wool naturally regulates temperature and resists odor, so you stay fresh across back to back days in the field or on the trail. A slim cut and flatlock seams keep it invisible under any layer you stack on top. Merino wool construction regulates body temperature naturally across changing conditions no synthetic clammy feel