Ask Around. You'll Find that Nothing Matches the Comfort, Performance and Versatility of Merino. While Synthetics Have Been the Traditional Fabric of Activewear, Merino Wool Outperforms Synthetics when It Comes to Running, Hiking, Skiing, Cycling - Anything that Makes You Sweat. Plus Merino Looks and Feels Amazing at Home, in That Marathon Meeting, or On Your Commute.