Smartwool's Classic Thermal Merino 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.
Slim fit is intended to follow the contours of the body
100% Merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance
Offset shoulder and side seams designed to increase comfort and minimize chafing
Side seams wrap to front for body-enhancing fit
Flatlock seam construction designed to minimize chafing
