Smartwool Classic All-Season Merino Base Layer Long Sleeve – front view close up A close-up view of the Smartwool Classic All-Season Merino Base Layer Long Sleeve. By Edwin Gathungu on December 9, 2022 | Comments Support us! iRunFar may earn a small commission from affiliate links in this article. Learn more. View all posts by Edwin Gathungu Please enable JavaScript to view the comments powered by Disqus.