Smartwool's best selling, and warmest, base layer, just got a little more refined with an improved fit, chafe-free seam construction and panels that offer more comfort with a pack.
8" (20 cm) center front zip
Back body seam wraps to front for body enhancing fit
Shoulder panels eliminate top shoulder seams
Flatlock seam construction is designed to eliminate chafing
Knit in Vietnam: 100% Merino Wool