Smartwool's best selling, and warmest, baselayer, just got a little more refined with an improved fit, chafe-free seam construction and panels that offer more comfort with a pack.
Back body seam wraps to front for body enhancing fit
Shoulder panels help eliminate top shoulder seams
Flatlock seam construction eliminates chafing
Heat transfer logo at left sleeve cuff
Fit: Form Fit
Interlock knit; UPF 50+
Fabric: 100% Merino Wool