The Smartwool Merino Sport 250 Wind Boxer Briefs are the perfect running, skiing or hiking underwear to keep you comfortable when the temperatures drop. It is made of Smartwool’s warmest materials, a Merino wool/polyester blend that helps manage moisture, dries quickly and holds its shape during your run.
A windproof front panel provides additional protection from the elements. The minimal Merrow seam construction prevents chafing and enhances durability, while the super soft Merino wool provides comfort right next to your most sensitive parts. These underwear will soon be your favorite for years to come for winter running.