Exceptional functional underwear taking the best of natural and synthetic materials, this is Merino Blend. Wool on one side, polyester on the other. Just like the time-tested Merino DF, this knit boasts versatility, durability... in short, it's the perfect combination of functionality and sustainability. It just makes the whole thing a lot smoother. Like when you take a sip of something really tasty and feel it caressing your mouth, throat and eventually your stomach. That's exactly how you'll feel all over your body.