The men’s Merino 150 boxer brief was designed by Smartwool to help make your adventures epic, be them touring Machu Picchu or exploring the city you call home. This boxer is made from ultra-soft and comfortable 150 Merino, helping regulate body temperature, manage moisture, and resist odour build-up. It also has a wide waistband with a merino lining and flatlock seam construction to help prevent chafing during active pursuits.