Men's Smartwool Merino 250 Base Layer Colorblock Crew - SW016353-H87 Essentials Size Based on Calf Circumference

Size Based on Calf Circumference (measure circumference of calf at widest point):

They blend heathered

- M 12 = W 13

to customize the exact placement and beam angle of light

- Performance woven with a bit of stretch

Men's Smartwool Merino 250 Base Layer Colorblock Crew - SW016353-H87 Essentials Size Based on Calf CircumferenceOur Men's Merino 250 Base Layer Colorblock Crew features 100% responsibly sourced Merino wool made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance. With shoulder panels and a flatlock seam construction, this base layer brings consistent comfort, as well as reliable warmth and durability, to winter hiking, running, and skiing.