Smartwool Merino 250 Base Layer Bottom – Men's Size:L The rechargeable ACTIK CORE headlamp

The rechargeable ACTIK CORE headlamp offers 450 lumens of power

while the dual-density EVA midsole handles everything from fire roads to rocky scrambles

Available in S/M and L/XL to fit a wide range of arm sizes

no scratchy seams against skin

Waterproof nubuck leather and abrasion-resistant mesh upper with large vents

Smartwool Merino 250 Base Layer Bottom – Men's Size:L The rechargeable ACTIK CORE headlampBuilt for cold weather output on winter hikes, backcountry hunts, or camp mornings, the Merino 250 Bottom is our top pick for athletes who run hot and cold in the same day. 100% merino wool naturally regulates temperature and fights odor without chemical treatments, while flatlock seams keep things comfortable under a shell for hours on end. 100% merino wool construction delivers natural warmth, breathability, and odor resistance without synthetic