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.

Details:

* Form Fit
* Interlock knit
* 10" (25 cm) center front zipper
* Shoulder panels eliminate top shoulder seams
* Flatlock seam construction designed to eliminate chafing
* 250 G Mid Weight
* Knit in Vietnam: 100% Merino Wool

Care:

* Machine Wash Warm Gentle Cycle.
* Do Not Bleach.
* Tumble Dry Low.
* Iron Low.
* Dry Clean.