With Smartwool's Men's Merino Sport 250 Colorblock 1/4 Zip, they've combined the breathability, odor control, and comfort of responsibly sourced Merino wool with the durability and quick-dry characteristics of polyester for a base layer top that can handle all of your active, cold-weather pursuits. Made to maximize warmth and induce sweat without getting you soaked, this first-layer top is ready to see how far you can really go.
- Warmer Merino/polyester blend helps fabric move moisture, dry quickly, and hold its shape during high-sweat activities in colder weather
- Flatlock seam construction designed to minimize chafing
- 8.5" (22 cm) center front zipper with semi-locking slider
56% Merino Wool, 44% Polyester