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.
- Slim Fit
- Interlock knit
- 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