SmartWool Merino Boxer Briefs Every epic adventure starts with a solid foundation, and the last thing you want to overlook is the first layer you put on. Ultra-comfy, responsibly sourced Merino next to the skin helps regulate body temperature, manages sweat, and resists odors, whether you're in Tennessee or Timbuktu These SmartWool Merino boxer briefs are exceptionally comfortable with all the necessary technologies to keep you feeling your best. Featuring a slim fit and a double front panel designed to provide extra support, the Sport Boxer Briefs have a flatlock seam construction designed to help eliminate chafing. This construction ensures the garment sits comfortably against your skin, and a wide elastic, Merino-lined waistband is also designed for added comfort and keeps the garment in place. The briefs are made with a fabric that combines the sweat management, temperature regulation and odour resistance of Merino with the durability and quick drying time of rec