Smartwool Seamless Underwear

There are many reasons to switch to seamless underwear, and comfort is at the top of the list. Perfectly balanced Merino wool blends that feel good against the skin make ours the best seamless underwear around. Enjoy the moisture-wicking and odorless properties of wool underwear and get ready to say goodbye to irritating seams and exposed elastic...forever!

The Best Seamless Underwear for Men and Women

Whether you prefer a bikini, boy short, or thong, our women’s seamless underwear gives you a smooth silhouette, free from lumpy lines. Seamless panties just make sense under yoga pants or skinny jeans, with optimum comfort and a flattering fit.

Our men’s seamless underwear comes in classic brief or boxer length, with strategically placed ventilation zones. Seamless underwear for men in Merino wool provides soft support and moisture management, just where you need it most.

Why Choose Wool Underwear?

The best seamless underwear also gives you the benefits of Merino wool construction in the garments closest to your skin. The temperature regulation and moisture control found in wool underwear help protect your most sensitive areas. Each of our men’s and women’s seamless underwear styles was designed with varied knit textures for ventilation and the right amount of stretch to keep it in place. Best of all, you can still toss it in the washing machine!